Tag: Snippet Page 1 of 12

Ten ‘Must’ WordPress Snippets

On January 26, 2021

Remove or Hide Admin Menu Links for Certain or Specific Users or Roles

The following snippet will let you remove as well as hide admin menu links for certain users or role.

if (current_user_can('hide_jobs')) {

add_action( 'admin_menu', 'my_remove_menu_jobs' );

function my_remove_menu_jobs() {

remove_menu_page('edit.php?post_type=job');

remove_menu_page('edit.php?post_type=solution');

remove_meta_box('dashboard_right_now', 'dashboard', 'normal'); // right now

}

}

if (current_user_can('hide_jobs')) {

add_action( 'admin_menu', 'my_remove_menu_jobs' );

function my_remove_menu_jobs() {

remove_menu_page('edit.php?post_type=job');

remove_menu_page('edit.php?post_type=solution');

remove_meta_box('dashboard_right_now', 'dashboard', 'normal'); // right now

}

Source: Snipplr

Get all media attached to a post

The following snippet will allow you to get all media attached to a post

$args = array(

'post_parent' => $post->ID,

'post_type' => 'attachment',

'post_mime_type' => 'image',

'posts_per_page' => -1,

'orderby' => 'menu_order',

'order' => 'ASC',

);

$attachments = get_children( $args )

$args = array(

'post_parent' => $post->ID,

'post_type' => 'attachment',

'post_mime_type' => 'image',

'posts_per_page' => -1,

'orderby' => 'menu_order',

'order' => 'ASC',

);

$attachments = get_children( $args )

Source: Pippinsplugins.com

Filter Category from Blog Page

The following snippet will filter category from the blog page

function exclude_cat($query) {

if ( $query->is_home) {

$query-> set('cat','-611');

}

return $query;

}

add_filter('pre_get_posts','exclude_cat');

function exclude_cat($query) {

if ( $query->is_home) {

$query-> set('cat','-611');

}

return $query;

}

add_filter('pre_get_posts','exclude_cat');

Source: brettwidmann.com

Custom Admin Login Logo & Alt Text

The snippet will allow you to have custom admin login logo and alt text

function change_wp_login_title()

{

echo get_option('blogname'); // OR ECHO YOUR OWN ALT TEXT

}add_filter('login_headertitle', 'change_wp_login_title');

function change_wp_login_title()

{

echo get_option('blogname'); // OR ECHO YOUR OWN ALT TEXT

}add_filter('login_headertitle', 'change_wp_login_title');

Source: Snipplr

Prev/Next wordpress loop links

Add the following snippet to previous/next loop links

<div class="navigation"><p><?php posts_nav_link(); ?></p></div>

1	<div class="navigation"><p><?php posts_nav_link(); ?></p></div>

Source: WordPress Codex

Admin Footer Modification

function remove_footer_admin ()

{

echo '<span id="footer-thankyou">Developed by <a href="http://www.designerswebsite.com" target="_blank">Your Name</a></span>';

}

add_filter('admin_footer_text', 'remove_footer_admin');

function remove_footer_admin ()

{

echo '<span id="footer-thankyou">Developed by <a href="http://www.designerswebsite.com" target="_blank">Your Name</a></span>';

}

add_filter('admin_footer_text', 'remove_footer_admin');

Source: Snipplr

Query a custom taxonomy

The following snippet will allow you to query a custom taxonomy, using the taxquery parameter

<?php

// Example query to select all posts belonging to a custom taxonomy.

$args = array(

'tax_query' => array(

array(

'taxonomy' => 'TAXONOMY_NAME',

'field' => 'slug',

'terms' => 'TAXONOMY_SLUG'

)

)

);

$the_query = new WP_Query( $args );

// The Loop

while ( $the_query->have_posts() ) : $the_query->the_post();

echo '<li>';

the_title();

echo '</li>';

endwhile;

// Reset Post Data

wp_reset_postdata();

?>

<?php

// Example query to select all posts belonging to a custom taxonomy.

$args = array(

'tax_query' => array(

array(

'taxonomy' => 'TAXONOMY_NAME',

'field' => 'slug',

'terms' => 'TAXONOMY_SLUG'

)

);

$the_query = new WP_Query( $args );

// The Loop

while ( $the_query->have_posts() ) : $the_query->the_post();

echo '<li>';

the_title();

echo '</li>';

endwhile;

// Reset Post Data

wp_reset_postdata();

Source: Snipplr

Remove Personal Options from Profile Menu

The following snippet will allow you to remove personal options from personal menu

function hide_personal_options(){

echo "\n" . '<script type="text/javascript">jQuery(document).ready(function($) { $(\'form#your-profile > h3:first\').hide(); $(\'form#your-profile > table:first\').hide(); $(\'form#your-profile\').show(); });</script>' . "\n";

}

add_action('admin_head','hide_personal_options');

function hide_personal_options(){

echo "\n" . '<script type="text/javascript">jQuery(document).ready(function($) { $(\'form#your-profile > h3:first\').hide(); $(\'form#your-profile > table:first\').hide(); $(\'form#your-profile\').show(); });</script>' . "\n";

}

add_action('admin_head','hide_personal_options');

Source: Snipplr

Exclude Category from Feed

The following snippet will allow you to exclude category from feed

function customFeedquery($query) {

if(is_feed()) {

$query->set('cat','-8'); // exclude category 8

return $query;

}

}

add_filter('pre_get_posts', 'customFeedquery');

function customFeedquery($query) {

if(is_feed()) {

$query->set('cat','-8'); // exclude category 8

return $query;

}

add_filter('pre_get_posts', 'customFeedquery');

Load jQuery from CDN, fallback to local

Add the following snippet to your theme’s functions.php file

/**

* Load jQuery from Google CDN, fallback to local

*/

// http://wp.tutsplus.com/tutorials/load-jquery-from-google-cdn-with-local-fallback-for-wordpress/

if( !is_admin()){ // Don't do this for admin area, since Google's jQuery isn't in noConflict mode and will interfere with WP's admin area.

$url = 'http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js'; // the URL to check against

$test_url = @fopen($url,'r'); // test parameters

if($test_url !== false) { // test if the URL exists

function load_external_jQuery() { // load external file

wp_deregister_script( 'jquery' ); // deregisters the default WordPress jQuery

wp_register_script('jquery', 'http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js'); // register the external file

wp_enqueue_script('jquery'); // enqueue the external file

}

add_action('wp_enqueue_scripts', 'load_external_jQuery'); // initiate the function

} else {

function load_local_jQuery() {

wp_deregister_script('jquery'); // deregisters the default WordPress jQuery

wp_register_script('jquery', get_bloginfo('template_url').'/js/jquery-1.6.2.min.js', __FILE__, false, '1.6.2', true); // register the local file

wp_enqueue_script('jquery'); // enqueue the local file

}

add_action('wp_enqueue_scripts', 'load_local_jQuery'); // initiate the function

}

}

/**

* Load jQuery from Google CDN, fallback to local

// http://wp.tutsplus.com/tutorials/load-jquery-from-google-cdn-with-local-fallback-for-wordpress/

if( !is_admin()){ // Don't do this for admin area, since Google's jQuery isn't in noConflict mode and will interfere with WP's admin area.

$url = 'http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js'; // the URL to check against

$test_url = @fopen($url,'r'); // test parameters

if($test_url !== false) { // test if the URL exists

function load_external_jQuery() { // load external file

wp_deregister_script( 'jquery' ); // deregisters the default WordPress jQuery

wp_register_script('jquery', 'http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js'); // register the external file

wp_enqueue_script('jquery'); // enqueue the external file

}

add_action('wp_enqueue_scripts', 'load_external_jQuery'); // initiate the function

} else {

function load_local_jQuery() {

wp_deregister_script('jquery'); // deregisters the default WordPress jQuery

wp_register_script('jquery', get_bloginfo('template_url').'/js/jquery-1.6.2.min.js', __FILE__, false, '1.6.2', true); // register the local file

wp_enqueue_script('jquery'); // enqueue the local file

}

add_action('wp_enqueue_scripts', 'load_local_jQuery'); // initiate the function

}

Source: Snipplr

Photo Credit: Flickr/hackNY.org

10 WordPress Snippets That You Don’t Want To Miss

By The Editorial Team

On June 10, 2020

In Snippets

Update WordPress URL

Adding the following snippet to function.php file will let you update WordPress URL

<?php

update_option('siteurl','http://EURE-SITE.de/');

update_option('home','http://EURE-SITE.de/');

?>

<?php

update_option('siteurl','http://EURE-SITE.de/');

update_option('home','http://EURE-SITE.de/');

Source: Snipplr

WordPress WP_ Settings

The snippet let you set some WordPress directories / paths directly to the server name.

define('WP_SITEURL', 'http://' . $_SERVER['SERVER_NAME'] . '/wordpress');

define('WP_HOME', 'http://' . $_SERVER['SERVER_NAME']);

define('WP_CONTENT_DIR', $_SERVER['DOCUMENT_ROOT'] . '/wp-content');

define('WP_CONTENT_URL', 'http://' . $_SERVER['SERVER_NAME'] . '/wp-content');

define('WP_SITEURL', 'http://' . $_SERVER['SERVER_NAME'] . '/wordpress');

define('WP_HOME', 'http://' . $_SERVER['SERVER_NAME']);

define('WP_CONTENT_DIR', $_SERVER['DOCUMENT_ROOT'] . '/wp-content');

define('WP_CONTENT_URL', 'http://' . $_SERVER['SERVER_NAME'] . '/wp-content');

Source: Snipplr

Access Request URI for template reuse

The following snippet will let you access request URI for template reuse

<?php

switch ($wp->request) {

case 'directory':

get_template_part('content', 'directory');

break;

case 'history':

get_template_part('content', 'history');

break;

default: get_template_part('content', 'default');

};

?>

<?php

switch ($wp->request) {

case 'directory':

get_template_part('content', 'directory');

break;

case 'history':

get_template_part('content', 'history');

break;

default: get_template_part('content', 'default');

};

Source: Kovshenin

WordPress Widget Basic Stucture

<?php

error_reporting(E_ALL);

/*

Plugin Name: Messenger Widget

Plugin URI: http://www.scoldy.com

Description: Any message designated.

Version: 1.0

Author: Ronnie

Author URI: http://www.scoldy.com

*/

class Messager extends WP_Widget {

function __construct()

{

}

public function form()

{

}

public function widget()

{

}

}

?>

<?php

error_reporting(E_ALL);

Plugin Name: Messenger Widget

Plugin URI: http://www.scoldy.com

Description: Any message designated.

Version: 1.0

Author: Ronnie

Author URI: http://www.scoldy.com

class Messager extends WP_Widget {

function __construct()

{

}

public function form()

{

}

public function widget()

{

}

Source: Snipplr

WordPress Child Theme

The following snippet will let you sort out the stylesheet

/*

Theme Name: Child Theme Name

Description: Description of your Child Theme

Author: Your name here

Template: folder

*/

@import url("../parentthemefolder/style.css");

Theme Name: Child Theme Name

Description: Description of your Child Theme

Author: Your name here

Template: folder

@import url("../parentthemefolder/style.css");

Source: doitwithwp.com

Custom Menus in WordPress

register:

<?php

register_nav_menus( array(

'primary' => __( 'Primary Navigation', 'primarynav' ),

'secondary' => __( 'Secondary Navigation', 'secondarynav' ),

'footer' => __( 'Footer Navigation', 'footernav' ),

) );

?>

display:

<?php wp_nav_menu(array( 'theme_location' => 'footer')); ?>

<?php

register_nav_menus( array(

'primary' => __( 'Primary Navigation', 'primarynav' ),

'secondary' => __( 'Secondary Navigation', 'secondarynav' ),

'footer' => __( 'Footer Navigation', 'footernav' ),

) );

display:

<?php wp_nav_menu(array( 'theme_location' => 'footer')); ?>

Source: Snipplr

SQL query to delete all media and attachments

The following snippet will delete all media in the library and remove all post attachments.

# First:

DELETE FROM wp_postmeta

WHERE post_id IN

(

SELECT id

FROM wp_posts

WHERE post_type = 'attachment'

)

;

# Second:

DELETE FROM wp_posts WHERE post_type = 'attachment'

# First:

DELETE FROM wp_postmeta

WHERE post_id IN

(

SELECT id

FROM wp_posts

WHERE post_type = 'attachment'

)

;

# Second:

DELETE FROM wp_posts WHERE post_type = 'attachment'

Source: WordPress.org

Simple iframe shortcode

Using the snippet will let you take iframe parameters and build an iframe through a shortcode

add_shortcode('iframe', 'iframe');

function iframe($atts) {

extract(shortcode_atts(array(

'src' => "",

'width' => "800",

'height' => "600"

), $atts));

$iframe = '<iframe src="'.$src.'" width="'.$width.'" height="'.$height.'" scrolling="no" allowtransparency="yes" frameborder="0" ></iframe>';

return $iframe;

}

add_shortcode('iframe', 'iframe');

function iframe($atts) {

extract(shortcode_atts(array(

'src' => "",

'width' => "800",

'height' => "600"

), $atts));

$iframe = '<iframe src="'.$src.'" width="'.$width.'" height="'.$height.'" scrolling="no" allowtransparency="yes" frameborder="0" ></iframe>';

return $iframe;

}

Source: Snipplr

Disable the WordPress file editor

The following snippet will disable the WordPress file editor

define('DISALLOW_FILE_EDIT', TRUE);

1	define('DISALLOW_FILE_EDIT', TRUE);

Automatically link Twitter usernames

Paste the snippet in the function.php file of your theme and it will let you automatically link Twitter usernames

/* automatically link Twitter usernames in WordPress*/

function twtreplace($content) {

$twtreplace = preg_replace('/([^a-zA-Z0-9-_&])@([0-9a-zA-Z_]+)/',"$1<a href=\"http://twitter.com/$2\" target=\"_blank\" rel=\"nofollow\">@$2</a>",$content);

return $twtreplace;

}

add_filter('the_content', 'twtreplace');

add_filter('comment_text', 'twtreplace');

/* automatically link Twitter usernames in WordPress*/

function twtreplace($content) {

$twtreplace = preg_replace('/([^a-zA-Z0-9-_&])@([0-9a-zA-Z_]+)/',"$1<a href=\"http://twitter.com/$2\" target=\"_blank\" rel=\"nofollow\">@$2</a>",$content);

return $twtreplace;

}

add_filter('the_content', 'twtreplace');

add_filter('comment_text', 'twtreplace');

Source: Snipplr

Search Posts by Custom Post Type

The snippet will let you search posts by custom post types

<?

/* Template Name: Search Results */

$search_refer = $_GET["post_type"];

if ($search_refer == 'CUSTOM_POST_TYPE') { load_template(TEMPLATEPATH . '/template_one-name.php'); }

elseif ($search_refer == 'CUSTOM_POST_TYPE') { load_template(TEMPLATEPATH . '/template_two-name.php'); };

?>

/* Template Name: Search Results */

$search_refer = $_GET["post_type"];

if ($search_refer == 'CUSTOM_POST_TYPE') { load_template(TEMPLATEPATH . '/template_one-name.php'); }

elseif ($search_refer == 'CUSTOM_POST_TYPE') { load_template(TEMPLATEPATH . '/template_two-name.php'); };

Source: WP-Snipp

Photo Credit: Flickr/Brad Montgomery

Ten ‘Must’ WordPress Snippets For Your Blog

By The Editorial Team

On September 30, 2019

In Snippets, Tutorials

Reduce spam by using .htaccess

Adding the following shortcode will let you reduce spam on your WordPress blog by using .htaccess. Simply paste the following lines into your .htaccess file but also make a note that you do make a backup of your .htaccess file before editing it.

<IfModule mod_rewrite.c>

RewriteEngine On

RewriteCond %{REQUEST_METHOD} POST

RewriteCond %{REQUEST_URI} .wp-comments-post\.php*

RewriteCond %{HTTP_REFERER} !.*yourdomainname.* [OR]

RewriteCond %{HTTP_USER_AGENT} ^$

RewriteRule (.*) ^http://%{REMOTE_ADDR}/$ [R=301,L]

</IfModule>

RewriteEngine On

RewriteCond %{REQUEST_METHOD} POST

RewriteCond %{REQUEST_URI} .wp-comments-post\.php*

RewriteCond %{HTTP_REFERER} !.*yourdomainname.* [OR]

RewriteCond %{HTTP_USER_AGENT} ^$

RewriteRule (.*) ^http://%{REMOTE_ADDR}/$ [R=301,L]

</IfModule>

Source: AllGuru.net

Display a thumbnail of any website

Simply paste the code below into your functions.php file.

function gk_snap($atts, $content = null) {

        extract(shortcode_atts(array(

                                    "snap" => 'http://s.wordpress.com/mshots/v1/',

                                    "url" => 'http://www.geekeries.fr',

                                    "alt" => 'Mon image',

                                    "w" => '400', // largeur

                                    "h" => '300' // hauteur

        ), $atts));

                        $img = '<img src="' . $snap . '' . urlencode($url) . '?w=' . $w . '&h=' . $h . '" alt="' . $alt . '"/>';

        return $img;

}

add_shortcode("snap", "gk_snap");unction gk_snap($atts, $content = null) {

        extract(shortcode_atts(array(

                                    "snap" => 'http://s.wordpress.com/mshots/v1/',

                                    "url" => 'http://www.geekeries.fr',

                                    "alt" => 'Mon image',

                                    "w" => '400', // largeur

                                    "h" => '300' // hauteur

        ), $atts));

                        $img = '<img src="' . $snap . '' . urlencode($url) . '?w=' . $w . '&h=' . $h . '" alt="' . $alt . '"/>';

        return $img;

}

add_shortcode("snap", "gk_snap");

function gk_snap($atts, $content = null) {

extract(shortcode_atts(array(

"snap" => 'http://s.wordpress.com/mshots/v1/',

"url" => 'http://www.geekeries.fr',

"alt" => 'Mon image',

"w" => '400', // largeur

"h" => '300' // hauteur

), $atts));

$img = '<img src="' . $snap . '' . urlencode($url) . '?w=' . $w . '&h=' . $h . '" alt="' . $alt . '"/>';

return $img;

}

add_shortcode("snap", "gk_snap");unction gk_snap($atts, $content = null) {

extract(shortcode_atts(array(

"snap" => 'http://s.wordpress.com/mshots/v1/',

"url" => 'http://www.geekeries.fr',

"alt" => 'Mon image',

"w" => '400', // largeur

"h" => '300' // hauteur

), $atts));

$img = '<img src="' . $snap . '' . urlencode($url) . '?w=' . $w . '&h=' . $h . '" alt="' . $alt . '"/>';

return $img;

}

add_shortcode("snap", "gk_snap");

Once done, you can use the snap shortcode:

[snap url="http://www.geekeries.fr/publicites/" alt="Ma description" w="400" h="300"]

1	[snap url="http://www.geekeries.fr/publicites/" alt="Ma description" w="400" h="300"]

Source: Geekeries.fr

Easily remove weird characters from your WordPress database

The shortcode will remove the weird characters from your WordPress database. All you have to do is simply run the following SQL query on your nWordPress database via the command line client or PhpMyAdmin.

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€œ', '“');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€', '”');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€™', '’');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€˜', '‘');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€”', '–');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€“', '—');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€¢', '-');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€¦', '…');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€œ', '“');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€', '”');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€™', '’');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€˜', '‘');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€”', '–');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€“', '—');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€¢', '-');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€¦', '…');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€œ', '“');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€', '”');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€™', '’');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€˜', '‘');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€”', '–');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€“', '—');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€¢', '-');

UPDATE wp_posts SET post_content = REPLACE(post_content, 'â€¦', '…');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€œ', '“');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€', '”');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€™', '’');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€˜', '‘');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€”', '–');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€“', '—');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€¢', '-');

UPDATE wp_comments SET comment_content = REPLACE(comment_content, 'â€¦', '…');

Source: Jeff Starr

How to change WordPress editor font

Adding the following shortcode to your functions.php file will let you change the default WordPress editor font.

add_action( 'admin_head-post.php', 'devpress_fix_html_editor_font' );

add_action( 'admin_head-post-new.php', 'devpress_fix_html_editor_font' );

function devpress_fix_html_editor_font() { ?>

<style type="text/css">#editorcontainer #content, #wp_mce_fullscreen { font-family: Georgia, "Times New Roman", "Bitstream Charter", Times, serif; }</style>

<?php }

add_action( 'admin_head-post.php', 'devpress_fix_html_editor_font' );

add_action( 'admin_head-post-new.php', 'devpress_fix_html_editor_font' );

function devpress_fix_html_editor_font() { ?>

<?php }

Source: DevPress

Removing the “read more” jump

Adding the shortcode into your functions.php file will remove the “read more” link from your blog which will automatically takes you to the article page.

function wdc_no_more_jumping($post) {

     return '<a href="'.get_permalink($post->ID).'" class="read-more">'.'Continue Reading'.'</a>';

}

add_filter('excerpt_more', 'wdc_no_more_jumping');

function wdc_no_more_jumping($post) {

return '<a href="'.get_permalink($post->ID).'" class="read-more">'.'Continue Reading'.'</a>';

}

add_filter('excerpt_more', 'wdc_no_more_jumping');

Source: Alex Denning

Quick maintenance mode

Paste the following code into your functions.php file and you will be able to easily implement a maintenance mode on your WordPress blog.

function wpr_maintenance_mode() {

    if ( !current_user_can( 'edit_themes' ) || !is_user_logged_in() ) {

        wp_die('Maintenance, please come back soon.');

    }

}

add_action('get_header', 'wpr_maintenance_mode');

function wpr_maintenance_mode() {

if ( !current_user_can( 'edit_themes' ) || !is_user_logged_in() ) {

wp_die('Maintenance, please come back soon.');

}

add_action('get_header', 'wpr_maintenance_mode');

Source: Skyje

Disable theme changing

Simply paste the code in your functions.php file to disable theme changing.

add_action('admin_init', 'slt_lock_theme');

function slt_lock_theme() {

            global $submenu, $userdata;

            get_currentuserinfo();

            if ($userdata->ID != 1) {

                        unset($submenu['themes.php'][5]);

                        unset($submenu['themes.php'][15]);

            }

}

add_action('admin_init', 'slt_lock_theme');

function slt_lock_theme() {

global $submenu, $userdata;

get_currentuserinfo();

if ($userdata->ID != 1) {

unset($submenu['themes.php'][5]);

unset($submenu['themes.php'][15]);

}

Source: Steve Taylor

Redirect feeds to a single format

Adding the following shortcode to your .htaccess file will let you direct all your feeds to a single format.

<IfModule mod_alias.c>

 RedirectMatch 301 /feed/(atom|rdf|rss|rss2)/?$ http://example.com/feed/

 RedirectMatch 301 /comments/feed/(atom|rdf|rss|rss2)/?$ http://example.com/comments/feed/

</IfModule>

RedirectMatch 301 /feed/(atom|rdf|rss|rss2)/?$ http://example.com/feed/

RedirectMatch 301 /comments/feed/(atom|rdf|rss|rss2)/?$ http://example.com/comments/feed/

</IfModule>

Source: Digging into WordPress

Simpler WordPress login url

Adding the following code to your .htaccess file will let you have the simpler WordPress login url.

RewriteRule ^login$ http://website.com/wp-login.php [NC,L]

1	RewriteRule ^login$ http://website.com/wp-login.php [NC,L]

Source: Kevin Chard

How to modify size of embedded videos

On adding the following shortcode to your theme’s functions.php file will let you modify the size of embedded videos.

function mycustom_embed_defaults($embed_size){

    $embed_size['width'] = 586; // Adjust values to your needs

    $embed_size['height'] = 500; 

    return $embed_size;

}

add_filter('embed_defaults', 'mycustom_embed_defaults');

function mycustom_embed_defaults($embed_size){

$embed_size['width'] = 586; // Adjust values to your needs

$embed_size['height'] = 500;

return $embed_size;

}

add_filter('embed_defaults', 'mycustom_embed_defaults');

Source: Shailan

Photo Credit: Flickr/hackNY.org

15 Most Useful And Required WordPress Snippets

By The Editorial Team

On December 5, 2018

In Snippets, Tutorials

Change footer-text in WP Admin

Using the code will change the text in the bottom of the WP admin pages.

<?php

function remove_footer_admin () {

  echo 'My footer text. Thank you &lt;a href="http://wordpress.org">Wordpress&lt;/a> for giving me this filter.';

}

add_filter('admin_footer_text', 'remove_footer_admin');

?>

<?php

function remove_footer_admin () {

echo 'My footer text. Thank you <a href="http://wordpress.org">Wordpress</a> for giving me this filter.';

}

add_filter('admin_footer_text', 'remove_footer_admin');

Include Future Posts in RSS Feed

Adding the snippet to your theme’s functions.php file will let you appear your future posts in your RSS feed.

<?php

/* Include published and future posts in rss feed. */

function FuturePostsFeed($query) {

    if ($query->is_feed) {

         $query->set('post_status','publish,future');

    }

return $query;

}

add_filter('pre_get_posts','FuturePostsFeed');

?>

<?php

/* Include published and future posts in rss feed. */

function FuturePostsFeed($query) {

if ($query->is_feed) {

$query->set('post_status','publish,future');

}

return $query;

}

add_filter('pre_get_posts','FuturePostsFeed');

Remove meta-boxes

Using this snippet, you can remove the meta-boxes you don’t use.

<?php

function remove_meta_boxes() {

# Removes meta from Posts #

remove_meta_box('postcustom','post','normal');

remove_meta_box('trackbacksdiv','post','normal');

remove_meta_box('commentstatusdiv','post','normal');

remove_meta_box('commentsdiv','post','normal');

# Removes meta from pages #

remove_meta_box('postcustom','page','normal');

remove_meta_box('trackbacksdiv','page','normal');

remove_meta_box('commentstatusdiv','page','normal');

remove_meta_box('commentsdiv','page','normal');

}

add_action('admin_init','remove_meta_boxes');

?>

<?php

function remove_meta_boxes() {

# Removes meta from Posts #

remove_meta_box('postcustom','post','normal');

remove_meta_box('trackbacksdiv','post','normal');

remove_meta_box('commentstatusdiv','post','normal');

remove_meta_box('commentsdiv','post','normal');

# Removes meta from pages #

remove_meta_box('postcustom','page','normal');

remove_meta_box('trackbacksdiv','page','normal');

remove_meta_box('commentstatusdiv','page','normal');

remove_meta_box('commentsdiv','page','normal');

}

add_action('admin_init','remove_meta_boxes');

Remove Gallery Settings

Gallery setting often make you irritated. The following snippet will simply remove all the gallery settings from the media upload section. All you have to do is simple add the code in your functions.php file.

<?php

add_action( 'admin_head_media_upload_gallery_form', 'mfields_remove_gallery_setting_div' );

if( !function_exists( 'mfields_remove_gallery_setting_div' ) ) {

function mfields_remove_gallery_setting_div() {

print '

&lt;style type="text/css">

#gallery-settings *{

display:none;

}

&lt;/style>';

}

}

?>

<?php

add_action( 'admin_head_media_upload_gallery_form', 'mfields_remove_gallery_setting_div' );

if( !function_exists( 'mfields_remove_gallery_setting_div' ) ) {

function mfields_remove_gallery_setting_div() {

print '

#gallery-settings *{

display:none;

}

</style>';

}

Remove Login Shake

The following snippet has to be added to functions.php and it will remove the “wrong password” screen shake.

<?php

function my_login_head() {

remove_action('login_head', 'wp_shake_js', 12);

}

add_action('login_head', 'my_login_head');

?>

<?php

function my_login_head() {

remove_action('login_head', 'wp_shake_js', 12);

}

add_action('login_head', 'my_login_head');

QR Code With Article Link

To have the QR-code rendered for every article, just insert the following snippet inside the WordPress loop.

<img src="http://api.qrserver.com/v1/create-qr-code/?size=500x500&data="

<?php the_permalink() ?>

" alt="QR Code for

<?php  the_title_attribute(); ?>

"/>

<img src="http://api.qrserver.com/v1/create-qr-code/?size=500x500&data="

<?php the_permalink() ?>

" alt="QR Code for

<?php the_title_attribute(); ?>

"/>

Detect iPhone Users

The following snippet will helps you detect visitors which are using an iPhone, allowing you to create a better experience for them.

<?php

global $is_iphone;

if($is_iphone) {

// User in on an iPhone.

}

?>

<?php

global $is_iphone;

if($is_iphone) {

// User in on an iPhone.

}

Remove Pages Columns

The code will allow you to remove a column from pages.

<?php

function remove_pages_columns($defaults) {

unset($defaults['comments']);

return $defaults;

}

add_filter('manage_pages_columns', 'remove_pages_columns');

?>

<?php

function remove_pages_columns($defaults) {

unset($defaults['comments']);

return $defaults;

}

add_filter('manage_pages_columns', 'remove_pages_columns');

Enable debug mode

Add this to your wp-config.php and you will be able to debug your WordPress blog if something went wrong.

<?php

if ( isset($_GET['debug']) && $_GET['debug'] == 'debug')

define('WP_DEBUG', true);

?>

<?php

if ( isset($_GET['debug']) && $_GET['debug'] == 'debug')

define('WP_DEBUG', true);

Check PHP Version

Since WordPress 3.2 version made its debut, PHP 5.2.4 is required for it to run. The time ever since development of plugins for this version come into existence you might require to check that whether the PHP version is up to date or not.

<?php

if ( version_compare(PHP_VERSION, '5.2.4', '<') ) {

wp_die('PHP 5.2.4 is required.');

};

?>

<?php

if ( version_compare(PHP_VERSION, '5.2.4', '<') ) {

wp_die('PHP 5.2.4 is required.');

};

Hide admin ‘help’ tab

Seeing the ‘help’ tab all the time in the top right corner of the WordPress admin area will be a devastating experience for your clients. In order to let avoid such conditions on not to happen for them, simply add the following snippet in your functions.php template.

<?php

// Hide admin help tab

function hide_help() {

echo '&lt;style type="text/css">

#contextual-help-link-wrap { display: none !important; }

&lt;/style>';

}

add_action('admin_head', 'hide_help');

?>

<?php

// Hide admin help tab

function hide_help() {

echo '<style type="text/css">

#contextual-help-link-wrap { display: none !important; }

</style>';

}

add_action('admin_head', 'hide_help');

Hide ‘Screen Options’ Tab

If you hated the way the Screen Options tab appearing in front of you in your admin area, then adding this snippet to your functions.php template will do the trick for you. Simply add it.

<?php

// Hide admin 'Screen Options' tab

function remove_screen_options_tab()

{

return false;

}

add_filter('screen_options_show_screen', 'remove_screen_options_tab');

?>

<?php

// Hide admin 'Screen Options' tab

function remove_screen_options_tab()

{

return false;

}

add_filter('screen_options_show_screen', 'remove_screen_options_tab');

Change Admin logo

Give your Admin panel a brand look just like whole of your blog; change the logo in the Admin panel with an image of your choice by using this snippet.

<?php

function custom_admin_logo() {

echo '&lt;style type=&quot;text/css&quot;&gt;

#header-logo { background-image: url('.get_bloginfo('template_directory').'/images/admin_logo.png) !important; }

&lt;/style&gt;';

}

add_action('admin_head', 'custom_admin_logo');

?>

<?php

function custom_admin_logo() {

echo '<style type="text/css">

#header-logo { background-image: url('.get_bloginfo('template_directory').'/images/admin_logo.png) !important; }

</style>';

}

add_action('admin_head', 'custom_admin_logo');

Get top level categories / taxonomy

The following code will allow you to get the top level categories and taxonomy.

<?php

$args = array(

'type'          => 'post',

'orderby'       => 'term_group',

'hide_empty'    => 0,

'hierarchical'  => 0,

'parent'        => 0,

'taxonomy'      => '..if you are using a taxonomy instead of a category'

);

get_categories( $args );

?>

<?php

$args = array(

'type' => 'post',

'orderby' => 'term_group',

'hide_empty' => 0,

'hierarchical' => 0,

'parent' => 0,

'taxonomy' => '..if you are using a taxonomy instead of a category'

);

get_categories( $args );

Dynamic copyright text

The snippet below allows you to create an amazing copyright text for your footer by automatically updating the date using the the_date() function. Just add the code in to your footer.php file.

<b>(c)

<?php echo date('Y'); ?>

</b>

| <a href="

<?php bloginfo('url'); ?>

">

<?php bloginfo('name'); ?>

</a>

|

<?php bloginfo('description'); ?>

<b>(c)

<?php echo date('Y'); ?>

</b>

| <a href="

<?php bloginfo('url'); ?>

<?php bloginfo('name'); ?>

</a>

<?php bloginfo('description'); ?>

Photo Credit: Flickr/Helen Cook

WordPress Snippets – The ‘One’ You Don’t Want To Miss

By The Editorial Team

On April 5, 2017

In Snippets

Loading All Posts From The Current Week

The following snippet will allow you to load all the posts from the current week.

$query_args = array(

'w' => date( 'W' ),

'year' => date( 'Y' ),

);

$posts = get_posts( $query_args );

$query_args = array(

'w' => date( 'W' ),

'year' => date( 'Y' ),

);

$posts = get_posts( $query_args );

Source: MarketPress – Christian Brückner

Breadcrumb Without Plugin

While there are numbers of plugins available to breadcrumb your WordPress blog or website BUT what if you can do the same with simply adding the following snippet at your theme’s functions.php file.

function the_breadcrumb() {

echo '<ul id="crumbs">';

if (!is_home()) {

echo '<li><a href="';

echo get_option('home');

echo '">';

echo 'Home';

echo "</a></li>";

if (is_category() || is_single()) {

echo '<li>';

the_category(' </li><li> ');

if (is_single()) {

echo "</li><li>";

the_title();

echo '</li>';

}

} elseif (is_page()) {

echo '<li>';

echo the_title();

echo '</li>';

}

}

elseif (is_tag()) {single_tag_title();}

elseif (is_day()) {echo"<li>Archive for "; the_time('F jS, Y'); echo'</li>';}

elseif (is_month()) {echo"<li>Archive for "; the_time('F, Y'); echo'</li>';}

elseif (is_year()) {echo"<li>Archive for "; the_time('Y'); echo'</li>';}

elseif (is_author()) {echo"<li>Author Archive"; echo'</li>';}

elseif (isset($_GET['paged']) && !empty($_GET['paged'])) {echo "<li>Blog Archives"; echo'</li>';}

elseif (is_search()) {echo"<li>Search Results"; echo'</li>';}

echo '</ul>';

}

function the_breadcrumb() {

echo '<ul id="crumbs">';

if (!is_home()) {

echo '<li><a href="';

echo get_option('home');

echo '">';

echo 'Home';

echo "</a></li>";

if (is_category() || is_single()) {

echo '<li>';

the_category(' </li><li> ');

if (is_single()) {

echo "</li><li>";

the_title();

echo '</li>';

}

} elseif (is_page()) {

echo '<li>';

echo the_title();

echo '</li>';

}

elseif (is_tag()) {single_tag_title();}

elseif (is_day()) {echo"<li>Archive for "; the_time('F jS, Y'); echo'</li>';}

elseif (is_month()) {echo"<li>Archive for "; the_time('F, Y'); echo'</li>';}

elseif (is_year()) {echo"<li>Archive for "; the_time('Y'); echo'</li>';}

elseif (is_author()) {echo"<li>Author Archive"; echo'</li>';}

elseif (isset($_GET['paged']) && !empty($_GET['paged'])) {echo "<li>Blog Archives"; echo'</li>';}

elseif (is_search()) {echo"<li>Search Results"; echo'</li>';}

echo '</ul>';

}

Once done, open header.php and call the function:

<?php the_breadcrumb(); ?>

1	<?php the_breadcrumb(); ?>

Source: emoticode.net

Changing Dashboard Help Tab Contents

Using the following snippet, you will be able to change the contents of your dashboard help tab.

//hook loading of new page and edit page screens

add_action('load-page-new.php','add_custom_help_page');

add_action('load-page.php','add_custom_help_page');

function add_custom_help_page() {

//the contextual help filter

add_filter('contextual_help','custom_page_help');

}

function custom_page_help($help) {

//keep the existing help copy

echo $help;

//add some new copy

echo "<h5>Custom Features</h5>";

echo "<p>Content placed above the more divider will appear in column 1. Content placed below the divider will appear in column 2.</p>";

}

//hook loading of new page and edit page screens

add_action('load-page-new.php','add_custom_help_page');

add_action('load-page.php','add_custom_help_page');

function add_custom_help_page() {

//the contextual help filter

add_filter('contextual_help','custom_page_help');

}

function custom_page_help($help) {

//keep the existing help copy

echo $help;

//add some new copy

echo "<h5>Custom Features</h5>";

echo "<p>Content placed above the more divider will appear in column 1. Content placed below the divider will appear in column 2.</p>";

}

Source: WP Tuts

Automatically Adding Paragraph Tags

While using the wpautop(), WordPress itself add paragraph tags to the content and the excerpt BUT if in case you requires to add paragraph tags to any text automatically, then use the following snippet for the purpose.

$my_text = 'Lorem ipsum dolor sit amet

consectetur adipiscing elit.

Nulla pretium libero eget gravida rutrum.';

echo wpautop( $my_text );

$my_text = 'Lorem ipsum dolor sit amet

consectetur adipiscing elit.

Nulla pretium libero eget gravida rutrum.';

echo wpautop( $my_text );

Source: Daniel Pataki

How To Login In A WordPress User Programmatically

The following snippet will allow you to login in a WordPress user programmatically.

function auto_login( $user ) {

$username = $user;

if ( !is_user_logged_in() ) {

$user = get_userdatabylogin( $username );

$user_id = $user->ID;

wp_set_current_user( $user_id, $user_login );

wp_set_auth_cookie( $user_id );

do_action( 'wp_login', $user_login );

}

}

function auto_login( $user ) {

$username = $user;

if ( !is_user_logged_in() ) {

$user = get_userdatabylogin( $username );

$user_id = $user->ID;

wp_set_current_user( $user_id, $user_login );

wp_set_auth_cookie( $user_id );

do_action( 'wp_login', $user_login );

}

Followed by, to log in a user, do the following:

auto_login( 'admin' )

1	auto_login( 'admin' )

Source: evilsocket

Bringing Single-Column Dashboard Back To WordPress 3.8

With recently introduced WordPress 3.8, a whole new way to display the dashboard BUT if in case, you don’t like the way, then adding the following snippet to your theme’s functions.php will let you bring back single-column dashboard.

// force one-column dashboard

function shapeSpace_screen_layout_columns($columns) {

$columns['dashboard'] = 1;

return $columns;

}

add_filter('screen_layout_columns', 'shapeSpace_screen_layout_columns');

function shapeSpace_screen_layout_dashboard() { return 1; }

add_filter('get_user_option_screen_layout_dashboard', 'shapeSpace_screen_layout_dashboard');

// force one-column dashboard

function shapeSpace_screen_layout_columns($columns) {

$columns['dashboard'] = 1;

return $columns;

}

add_filter('screen_layout_columns', 'shapeSpace_screen_layout_columns');

function shapeSpace_screen_layout_dashboard() { return 1; }

add_filter('get_user_option_screen_layout_dashboard', 'shapeSpace_screen_layout_dashboard');

Source: Jeff Starr

Ordering Posts By Two Meta Values

By default, WordPress allows you to sort results of a query by one meta value, BUT if you want to order posts by two meta values, then adding the following snippet will help.

<?php

$query = "SELECT wposts.*, wpostmeta1.*, wpostmeta2.*

FROM $wpdb->posts wposts, $wpdb->postmeta wpostmeta1, $wpdb->postmeta wpostmeta2

WHERE wposts.ID = wpostmeta1.post_id

AND wposts.ID = wpostmeta2.post_id

AND wpostmeta1.meta_key = 'date'

AND wpostmeta2.meta_key = 'time'

ORDER BY wpostmeta1.meta_value ASC,

wpostmeta2.meta_value ASC";

$results = $wpdb->get_results($query);

foreach ( $results as $result ) {

//output results as desired

} ?>

<?php

$query = "SELECT wposts.*, wpostmeta1.*, wpostmeta2.*

FROM $wpdb->posts wposts, $wpdb->postmeta wpostmeta1, $wpdb->postmeta wpostmeta2

WHERE wposts.ID = wpostmeta1.post_id

AND wposts.ID = wpostmeta2.post_id

AND wpostmeta1.meta_key = 'date'

AND wpostmeta2.meta_key = 'time'

ORDER BY wpostmeta1.meta_value ASC,

wpostmeta2.meta_value ASC";

$results = $wpdb->get_results($query);

foreach ( $results as $result ) {

//output results as desired

} ?>

Source: WP Recipes

Displaying Recently Registered Users

The following snippet will display recently registered users.

<ul>

<?php $usernames = $wpdb->get_results("SELECT user_nicename, user_url FROM $wpdb->users ORDER BY ID DESC LIMIT 15");

foreach ($usernames as $username) {

echo '<li>' .get_avatar($username->comment_author_email, 45).'<a href="'.$username->user_url.'">'.$username->user_nicename."</a></li>";

}

?>

</ul>

<ul>

<?php $usernames = $wpdb->get_results("SELECT user_nicename, user_url FROM $wpdb->users ORDER BY ID DESC LIMIT 15");

foreach ($usernames as $username) {

echo '<li>' .get_avatar($username->comment_author_email, 45).'<a href="'.$username->user_url.'">'.$username->user_nicename."</a></li>";

}

</ul>

Source: emoticode.net

Snippets Collection 5

By The Editorial Team

On September 7, 2016

In Snippets

Author Bio Excerpt

The snippet below will let you have the author bio excerpt.

<?php
// Paste the code below to the functions.php file inside the theme directory you're using.
function author_excerpt (){
$word_limit = 20; // Limit the number of words
$more_txt = 'read more about:'; // The read more text
$txt_end = '...'; // Display text end
$authorName = get_the_author();
$authorUrl = get_author_posts_url( get_the_author_meta('ID'));
$authorDescription = explode(" ", get_the_author_meta('description'));
$displayAuthorPageLink = count($authorDescription) > $word_limit ? $txt_end.' '.$more_txt.' <a href="'.$authorUrl.'">'.$authorName.'</a>' : '' ;
$authorDescriptionShort = array_slice($authorDescription, 0, ($word_limit));
return (implode($authorDescriptionShort, ' ')).$displayAuthorPageLink;
}
?>
<?php
// Add this code snippet to the single.php file where you like to display the author bio excerpt.
if (function_exists('author_excerpt')){echo author_excerpt();}
?>

<?php

// Paste the code below to the functions.php file inside the theme directory you're using.

function author_excerpt (){

$word_limit = 20; // Limit the number of words

$more_txt = 'read more about:'; // The read more text

$txt_end = '...'; // Display text end

$authorName = get_the_author();

$authorUrl = get_author_posts_url( get_the_author_meta('ID'));

$authorDescription = explode(" ", get_the_author_meta('description'));

$displayAuthorPageLink = count($authorDescription) > $word_limit ? $txt_end.' '.$more_txt.' <a href="'.$authorUrl.'">'.$authorName.'</a>' : '' ;

$authorDescriptionShort = array_slice($authorDescription, 0, ($word_limit));

return (implode($authorDescriptionShort, ' ')).$displayAuthorPageLink;

}

<?php

// Add this code snippet to the single.php file where you like to display the author bio excerpt.

if (function_exists('author_excerpt')){echo author_excerpt();}

Disable Self Trackbacks

The following snippet will let you disable self trackbacks.

<?php
function disable_self_ping( &$links ) {
foreach ( $links as $l => $link )
if ( 0 === strpos( $link, get_option( 'home' ) ) )
unset($links[$l]);
}
add_action( 'pre_ping', 'disable_self_ping' );
?>

<?php

function disable_self_ping( &$links ) {

foreach ( $links as $l => $link )

if ( 0 === strpos( $link, get_option( 'home' ) ) )

unset($links[$l]);

}

add_action( 'pre_ping', 'disable_self_ping' );

Remove Login Shake

The following snippet has to be added to functions.php and it will remove the “wrong password” screen shake.

<?php
function my_login_head() {
remove_action('login_head', 'wp_shake_js', 12);
}
add_action('login_head', 'my_login_head');
?>

<?php

function my_login_head() {

remove_action('login_head', 'wp_shake_js', 12);

}

add_action('login_head', 'my_login_head');

Only Show Admin Bar To Administrators

The following snippet will let you show the admin bar to administrators.

<?php
// Snippet code goes here!
if (!current_user_can('administrator')) :
show_admin_bar(false);
endif;
?>

<?php

// Snippet code goes here!

if (!current_user_can('administrator')) :

show_admin_bar(false);

endif;

QR Code With Article Link

To have the QR-code rendered for every article, just insert the following snippet inside the WordPress loop.

<img src="http://api.qrserver.com/v1/create-qr-code/?size=500x500&data="
<?php the_permalink() ?>
" alt="QR Code for
<?php the_title_attribute(); ?>
"/>

<img src="http://api.qrserver.com/v1/create-qr-code/?size=500x500&data="

<?php the_permalink() ?>

" alt="QR Code for

<?php the_title_attribute(); ?>

"/>

Snippets Collection 4

By The Editorial Team

On August 29, 2016

In Snippets

Disable Plugin Updates

The snippet below will allow you to disable plugin updates.

<?php
remove_action( 'load-update-core.php', 'wp_update_plugins' );
add_filter( 'pre_site_transient_update_plugins', create_function( '$a', "return null;" ) );
?>

<?php

remove_action( 'load-update-core.php', 'wp_update_plugins' );

add_filter( 'pre_site_transient_update_plugins', create_function( '$a', "return null;" ) );

List all categories with posts

The snippet below will let you list all categories with posts.

<?php
//for each category, show all posts
$cat_args=array(
'orderby' => 'name',
'order' => 'ASC'
);
$categories=get_categories($cat_args);
foreach($categories as $category) {
$args=array(
'showposts' => -1,
'category__in' => array($category->term_id),
'caller_get_posts'=>1
);
$posts=get_posts($args);
if ($posts) {
echo '<p>Category: <a href="' . get_category_link( $category->term_id ) . '" title="' . sprintf( __( "View all posts in %s" ), $category->name ) . '" ' . '>' . $category->name.'</a> </p> ';
foreach($posts as $post) {
setup_postdata($post); ?>
<p><a href="
<?php the_permalink() ?>
" rel="bookmark" title="Permanent Link to
<?php the_title_attribute(); ?>
">
<?php the_title(); ?>
</a></p>
<?php
} // foreach($posts
} // if ($posts
} // foreach($categories
?>

<?php

//for each category, show all posts

$cat_args=array(

'orderby' => 'name',

'order' => 'ASC'

);

$categories=get_categories($cat_args);

foreach($categories as $category) {

$args=array(

'showposts' => -1,

'category__in' => array($category->term_id),

'caller_get_posts'=>1

);

$posts=get_posts($args);

if ($posts) {

echo '<p>Category: <a href="' . get_category_link( $category->term_id ) . '" title="' . sprintf( __( "View all posts in %s" ), $category->name ) . '" ' . '>' . $category->name.'</a> </p> ';

foreach($posts as $post) {

setup_postdata($post); ?>

<p><a href="

<?php the_permalink() ?>

" rel="bookmark" title="Permanent Link to

<?php the_title_attribute(); ?>

<?php the_title(); ?>

</a></p>

<?php

} // foreach($posts

} // if ($posts

} // foreach($categories

Override WordPress and Site URL

The following snippet will let you override WordPress and site URL.

<?php
// Define wp home and site url
define('WP_HOME','http://production.whateversite.com');
define('WP_SITEURL','http://production.whateversite.com');
?>

<?php

// Define wp home and site url

define('WP_HOME','http://production.whateversite.com');

define('WP_SITEURL','http://production.whateversite.com');

Get the first link in post

The following snippet will let you get the first link in post.

function get_content_link( $content = false, $echo = false )
{
if ( $content === false )
$content = get_the_content();
$content = preg_match_all( '/hrefs*=s*["']([^"']+)/', $content, $links );
$content = $links[1][0];
if ( empty($content) ) {
$content = false;
}
return $content;
}

function get_content_link( $content = false, $echo = false )

{

if ( $content === false )

$content = get_the_content();

$content = preg_match_all( '/hrefs*=s*["']([^"']+)/', $content, $links );

$content = $links[1][0];

if ( empty($content) ) {

$content = false;

}

return $content;

}

Check if sidebar has widgets

The snippets checks that if a sidebar of your website having any widget areas in it or not.

function is_sidebar_active($index) {
global $wp_registered_sidebars;
$widgetcolums = wp_get_sidebars_widgets();
if ($widgetcolums[$index])
return true;
return false;
}

function is_sidebar_active($index) {

global $wp_registered_sidebars;

$widgetcolums = wp_get_sidebars_widgets();

if ($widgetcolums[$index])

return true;

return false;

}

Snippets Collection 3

By The Editorial Team

On August 10, 2016

In Snippets

Redirect your Author archive link to your “About” page

The following snippet will let you redirect your author archive link to your website’s about us page.

add_filter( 'author_link', 'my_author_link');
function my_author_link() {
return home_url( 'about' );
}

add_filter( 'author_link', 'my_author_link');

function my_author_link() {

return home_url( 'about' );

}

Change Image Path Only

The following snippet will let you change image path only.

UPDATE wp_posts SET post_content = REPLACE (post_content, 'src="http://www.oldsiteurl.com', 'src="http://yourcdn.newsiteurl.com');

1	UPDATE wp_posts SET post_content = REPLACE (post_content, 'src="http://www.oldsiteurl.com', 'src="http://yourcdn.newsiteurl.com');

Add Thumbnails in Manage Posts/Pages List

The following snippet will let you add thumbnails in manage posts/pages list.

/****** Add Thumbnails in Manage Posts/Pages List ******/
if ( !function_exists('AddThumbColumn') && function_exists('add_theme_support') ) {
// for post and page
add_theme_support('post-thumbnails', array( 'post', 'page' ) );
function AddThumbColumn($cols) {
$cols['thumbnail'] = __('Thumbnail');
return $cols;
}
function AddThumbValue($column_name, $post_id) {
$width = (int) 35;
$height = (int) 35;
if ( 'thumbnail' == $column_name ) {
// thumbnail of WP 2.9
$thumbnail_id = get_post_meta( $post_id, '_thumbnail_id', true );
// image from gallery
$attachments = get_children( array('post_parent' => $post_id, 'post_type' => 'attachment', 'post_mime_type' => 'image') );
if ($thumbnail_id)
$thumb = wp_get_attachment_image( $thumbnail_id, array($width, $height), true );
elseif ($attachments) {
foreach ( $attachments as $attachment_id => $attachment ) {
$thumb = wp_get_attachment_image( $attachment_id, array($width, $height), true );
}
}
if ( isset($thumb) && $thumb ) {
echo $thumb;
} else {
echo __('None');
}
}
}
// for posts
add_filter( 'manage_posts_columns', 'AddThumbColumn' );
add_action( 'manage_posts_custom_column', 'AddThumbValue', 10, 2 );
// for pages
add_filter( 'manage_pages_columns', 'AddThumbColumn' );
add_action( 'manage_pages_custom_column', 'AddThumbValue', 10, 2 );

/****** Add Thumbnails in Manage Posts/Pages List ******/

if ( !function_exists('AddThumbColumn') && function_exists('add_theme_support') ) {

// for post and page

add_theme_support('post-thumbnails', array( 'post', 'page' ) );

function AddThumbColumn($cols) {

$cols['thumbnail'] = __('Thumbnail');

return $cols;

}

function AddThumbValue($column_name, $post_id) {

$width = (int) 35;

$height = (int) 35;

if ( 'thumbnail' == $column_name ) {

// thumbnail of WP 2.9

$thumbnail_id = get_post_meta( $post_id, '_thumbnail_id', true );

// image from gallery

$attachments = get_children( array('post_parent' => $post_id, 'post_type' => 'attachment', 'post_mime_type' => 'image') );

if ($thumbnail_id)

$thumb = wp_get_attachment_image( $thumbnail_id, array($width, $height), true );

elseif ($attachments) {

foreach ( $attachments as $attachment_id => $attachment ) {

$thumb = wp_get_attachment_image( $attachment_id, array($width, $height), true );

}

if ( isset($thumb) && $thumb ) {

echo $thumb;

} else {

echo __('None');

}

// for posts

add_filter( 'manage_posts_columns', 'AddThumbColumn' );

add_action( 'manage_posts_custom_column', 'AddThumbValue', 10, 2 );

// for pages

add_filter( 'manage_pages_columns', 'AddThumbColumn' );

add_action( 'manage_pages_custom_column', 'AddThumbValue', 10, 2 );

Checks if the visitor is from mobile device

The following snippet will let you checks if the visitor is from mobile device or not.

<?php
// Add to functions.php
// version proof, checks if the visitor is from a mobile device
function muneeb_wp_is_mobile() {
if ( function_exists( 'wp_is_mobile' ) )
return wp_is_mobile();
//code from wp_is_mobile function, wp_is_mobile() is located in wp-includes/vars.php version 3.4
static $is_mobile;
if ( isset($is_mobile) )
return $is_mobile;
if ( empty($_SERVER['HTTP_USER_AGENT']) ) {
$is_mobile = false;
} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Mobile') !== false // many mobile devices (all iPhone, iPad, etc.)
|| strpos($_SERVER['HTTP_USER_AGENT'], 'Android') !== false
|| strpos($_SERVER['HTTP_USER_AGENT'], 'Silk/') !== false
|| strpos($_SERVER['HTTP_USER_AGENT'], 'Kindle') !== false
|| strpos($_SERVER['HTTP_USER_AGENT'], 'BlackBerry') !== false
|| strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mini') !== false ) {
$is_mobile = true;
} else {
$is_mobile = false;
}
return $is_mobile;
}
// Use anywhere
if ( muneeb_wp_is_mobile() ){
//do mobile stuff here
}
?>

<?php

// Add to functions.php

// version proof, checks if the visitor is from a mobile device

function muneeb_wp_is_mobile() {

if ( function_exists( 'wp_is_mobile' ) )

return wp_is_mobile();

//code from wp_is_mobile function, wp_is_mobile() is located in wp-includes/vars.php version 3.4

static $is_mobile;

if ( isset($is_mobile) )

return $is_mobile;

if ( empty($_SERVER['HTTP_USER_AGENT']) ) {

$is_mobile = false;

} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Mobile') !== false // many mobile devices (all iPhone, iPad, etc.)

|| strpos($_SERVER['HTTP_USER_AGENT'], 'Android') !== false

|| strpos($_SERVER['HTTP_USER_AGENT'], 'Silk/') !== false

|| strpos($_SERVER['HTTP_USER_AGENT'], 'Kindle') !== false

|| strpos($_SERVER['HTTP_USER_AGENT'], 'BlackBerry') !== false

|| strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mini') !== false ) {

$is_mobile = true;

} else {

$is_mobile = false;

}

return $is_mobile;

}

// Use anywhere

if ( muneeb_wp_is_mobile() ){

//do mobile stuff here

}

Add titles to previous_post_link & next_post_link

The following snippet will let you add titles to previous and next post links.

<?php
$p = get_adjacent_post(false, '', true);
if(!empty($p)) echo '<div class="prev"><a href="' . get_permalink($p->ID) . '" title="' . $p->post_title . '">' . $p->post_title . '</a></div>';
$n = get_adjacent_post(false, '', false);
if(!empty($n)) echo '<div class="next"><a href="' . get_permalink($n->ID) . '" title="' . $n->post_title . '">' . $n->post_title . '</a></div>';
?>

<?php

$p = get_adjacent_post(false, '', true);

if(!empty($p)) echo '<div class="prev"><a href="' . get_permalink($p->ID) . '" title="' . $p->post_title . '">' . $p->post_title . '</a></div>';

$n = get_adjacent_post(false, '', false);

if(!empty($n)) echo '<div class="next"><a href="' . get_permalink($n->ID) . '" title="' . $n->post_title . '">' . $n->post_title . '</a></div>';

Snippets Collection 2

By The Editorial Team

On August 1, 2016

In Snippets

Temporary Maintenance

The following snippet will let you temporarily close down your site for visits while your website can still be accessed by admins resulting in letting you do the changes that you are planning for

// Temp Maintenance - with http response 503 (Service Temporarily Unavailable)
// This will only block users who are NOT an administrator from viewing the website.
function wp_maintenance_mode(){
if(!current_user_can('edit_themes') || !is_user_logged_in()){
wp_die('Maintenance, please come back soon.', 'Maintenance - please come back soon.', array('response' => '503'));
}
}
add_action('get_header', 'wp_maintenance_mode');

// Temp Maintenance - with http response 503 (Service Temporarily Unavailable)

// This will only block users who are NOT an administrator from viewing the website.

function wp_maintenance_mode(){

if(!current_user_can('edit_themes') || !is_user_logged_in()){

wp_die('Maintenance, please come back soon.', 'Maintenance - please come back soon.', array('response' => '503'));

}

add_action('get_header', 'wp_maintenance_mode');

Add featured images to WordPress feeds

The snippet below will let you add featured images to WordPress feeds.

function rss_post_thumbnail($content) {
global $post;
if(has_post_thumbnail($post->ID)) {
$content = get_the_post_thumbnail($post->ID) . $content;
}
return $content;
}
add_filter('the_excerpt_rss', 'rss_post_thumbnail');
add_filter('the_content_feed', 'rss_post_thumbnail');

function rss_post_thumbnail($content) {

global $post;

if(has_post_thumbnail($post->ID)) {

$content = get_the_post_thumbnail($post->ID) . $content;

}

return $content;

}

add_filter('the_excerpt_rss', 'rss_post_thumbnail');

add_filter('the_content_feed', 'rss_post_thumbnail');

Set Minimal Comment Limit In WordPress

The following snippet will let you set minimal comment limit in WordPress.

add_filter( 'preprocess_comment', 'minimal_comment_length' );
function minimal_comment_length( $commentdata ) {
$minimalCommentLength = 20;
if ( strlen( trim( $commentdata['comment_content'] ) ) < $minimalCommentLength )
{
wp_die( 'All comments must be at least ' . $minimalCommentLength . ' characters long.' );
}
return $commentdata;
}

add_filter( 'preprocess_comment', 'minimal_comment_length' );

function minimal_comment_length( $commentdata ) {

$minimalCommentLength = 20;

if ( strlen( trim( $commentdata['comment_content'] ) ) < $minimalCommentLength )

{

wp_die( 'All comments must be at least ' . $minimalCommentLength . ' characters long.' );

}

return $commentdata;

}

Allow PHP in WordPress Text Widgets

The following snippet will allow PHP in WordPress text widget.

function php_text($text) {
if (strpos($text, '<' . '?') !== false) {
ob_start();
eval('?' . '>' . $text);
$text = ob_get_contents();
ob_end_clean();
}
return $text;
}
add_filter('widget_text', 'php_text', 99);

function php_text($text) {

if (strpos($text, '<' . '?') !== false) {

ob_start();

eval('?' . '>' . $text);

$text = ob_get_contents();

ob_end_clean();

}

return $text;

}

add_filter('widget_text', 'php_text', 99);

Snippets Collection 1

By The Editorial Team

On July 18, 2016

In Snippets

Remove URL from Comment Form

The following snippet will let you remove URL from comment form.

add_filter('comment_form_default_fields', 'unset_url_field');
function unset_url_field($fields){
if(isset($fields['url']))
unset($fields['url']);
return $fields;
}

add_filter('comment_form_default_fields', 'unset_url_field');

function unset_url_field($fields){

if(isset($fields['url']))

unset($fields['url']);

return $fields;

}

Display a Random Post

The snippet below will let you display some random post.

<ul>
<?php
$rand_posts = get_posts('numberposts=5&orderby=rand');
foreach( $rand_posts as $post ) :
?>
<li><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></li>
<?php endforeach; ?>
</ul>

<ul>

<?php

$rand_posts = get_posts('numberposts=5&orderby=rand');

foreach( $rand_posts as $post ) :

<?php endforeach; ?>

</ul>

Customize the Default Avatar

The following snippet will let you customize the default avatar.

<?php
// Create a new options in the WordPress admin
function newgravatar ($avatar_defaults) {
$myavatar = get_bloginfo('template_directory') . '/images/avatary.jpg';
$avatar_defaults[$myavatar] = "Avatary";
return $avatar_defaults;
}
add_filter( 'avatar_defaults', 'newgravatar' );
?>

<?php

// Create a new options in the WordPress admin

function newgravatar ($avatar_defaults) {

$myavatar = get_bloginfo('template_directory') . '/images/avatary.jpg';

$avatar_defaults[$myavatar] = "Avatary";

return $avatar_defaults;

}

add_filter( 'avatar_defaults', 'newgravatar' );

Create a Custom Post Template

The snippet below will let you create a custom post template.

<?php
/*
Single Post Template: [New Template Name]
Description: You always want to include a description. Be organized!
*/
?>

<?php

Single Post Template: [New Template Name]

Description: You always want to include a description. Be organized!

Limit Number of Post Revisions

The snippet below will let you limit number of post revisions.

<?php
// Maximum of 3 revisions
define('WP_POST_REVISIONS', 3);
// Disable revisions
define('WP_POST_REVISIONS', false);
?>

<?php

// Maximum of 3 revisions

define('WP_POST_REVISIONS', 3);

// Disable revisions

define('WP_POST_REVISIONS', false);