WordPress Snippet – Page 4

Best Of Snippets Collection – 4

On August 24, 2015

How To Get Email Alerts For 404 Pages In Website

Using the following snippet, you will be able to get email alerts for 404 pages in website.

<?php // WP 404 ALERTS @ http://wp-mix.com/wordpress-404-email-alerts/
// set status
header("HTTP/1.1 404 Not Found");
header("Status: 404 Not Found");
// site info
$blog  = get_bloginfo('name');
$site  = get_bloginfo('url') . '/';
$email = get_bloginfo('admin_email');
// theme info
if (!empty($_COOKIE["nkthemeswitch" . COOKIEHASH])) {
	$theme = clean($_COOKIE["nkthemeswitch" . COOKIEHASH]);
} else {
	$theme_data = wp_get_theme();
	$theme = clean($theme_data->Name);
}
// referrer
if (isset($_SERVER['HTTP_REFERER'])) {
	$referer = clean($_SERVER['HTTP_REFERER']);
} else {
	$referer = "undefined";
}
// request URI
if (isset($_SERVER['REQUEST_URI']) && isset($_SERVER["HTTP_HOST"])) {
	$request = clean('http://' . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]);
} else {
	$request = "undefined";
}
// query string
if (isset($_SERVER['QUERY_STRING'])) {
	$string = clean($_SERVER['QUERY_STRING']);
} else {
	$string = "undefined";
}
// IP address
if (isset($_SERVER['REMOTE_ADDR'])) {
	$address = clean($_SERVER['REMOTE_ADDR']);
} else {
	$address = "undefined";
}
// user agent
if (isset($_SERVER['HTTP_USER_AGENT'])) {
	$agent = clean($_SERVER['HTTP_USER_AGENT']);
} else {
	$agent = "undefined";
}
// identity
if (isset($_SERVER['REMOTE_IDENT'])) {
	$remote = clean($_SERVER['REMOTE_IDENT']);
} else {
	$remote = "undefined";
}
// log time
$time = clean(date("F jS Y, h:ia", time()));
// sanitize
function clean($string) {
	$string = rtrim($string); 
	$string = ltrim($string); 
	$string = htmlentities($string, ENT_QUOTES); 
	$string = str_replace("\n", "<br>", $string);

	if (get_magic_quotes_gpc()) {
		$string = stripslashes($string);
	} 
	return $string;
}
$message = 
	"TIME: "            . $time    . "\n" . 
	"*404: "            . $request . "\n" . 
	"SITE: "            . $site    . "\n" . 
	"THEME: "           . $theme   . "\n" . 
	"REFERRER: "        . $referer . "\n" . 
	"QUERY STRING: "    . $string  . "\n" . 
	"REMOTE ADDRESS: "  . $address . "\n" . 
	"REMOTE IDENTITY: " . $remote  . "\n" . 
	"USER AGENT: "      . $agent   . "\n\n\n";
mail($email, "404 Alert: " . $blog . " [" . $theme . "]", $message, "From: $email"); 
?>

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<?php // WP 404 ALERTS @ http://wp-mix.com/wordpress-404-email-alerts/

// set status

header("HTTP/1.1 404 Not Found");

header("Status: 404 Not Found");

// site info

$blog = get_bloginfo('name');

$site = get_bloginfo('url') . '/';

$email = get_bloginfo('admin_email');

// theme info

if (!empty($_COOKIE["nkthemeswitch" . COOKIEHASH])) {

$theme = clean($_COOKIE["nkthemeswitch" . COOKIEHASH]);

} else {

$theme_data = wp_get_theme();

$theme = clean($theme_data->Name);

}

// referrer

if (isset($_SERVER['HTTP_REFERER'])) {

$referer = clean($_SERVER['HTTP_REFERER']);

} else {

$referer = "undefined";

}

// request URI

if (isset($_SERVER['REQUEST_URI']) && isset($_SERVER["HTTP_HOST"])) {

$request = clean('http://' . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]);

} else {

$request = "undefined";

}

// query string

if (isset($_SERVER['QUERY_STRING'])) {

$string = clean($_SERVER['QUERY_STRING']);

} else {

$string = "undefined";

}

// IP address

if (isset($_SERVER['REMOTE_ADDR'])) {

$address = clean($_SERVER['REMOTE_ADDR']);

} else {

$address = "undefined";

}

// user agent

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

$agent = clean($_SERVER['HTTP_USER_AGENT']);

} else {

$agent = "undefined";

}

// identity

if (isset($_SERVER['REMOTE_IDENT'])) {

$remote = clean($_SERVER['REMOTE_IDENT']);

} else {

$remote = "undefined";

}

// log time

$time = clean(date("F jS Y, h:ia", time()));

// sanitize

function clean($string) {

$string = rtrim($string);

$string = ltrim($string);

$string = htmlentities($string, ENT_QUOTES);

$string = str_replace("\n", "<br>", $string);

if (get_magic_quotes_gpc()) {

$string = stripslashes($string);

}

return $string;

}

$message =

"TIME: " . $time . "\n" .

"*404: " . $request . "\n" .

"SITE: " . $site . "\n" .

"THEME: " . $theme . "\n" .

"REFERRER: " . $referer . "\n" .

"QUERY STRING: " . $string . "\n" .

"REMOTE ADDRESS: " . $address . "\n" .

"REMOTE IDENTITY: " . $remote . "\n" .

"USER AGENT: " . $agent . "\n\n\n";

mail($email, "404 Alert: " . $blog . " [" . $theme . "]", $message, "From: $email");

?>

Snippet Source/Credit: WP Mix

How To Have Custom Favicon For Your WP-Admin

Using the following snippet, you will be able to have custom favicon for your WP-admin.

function admin_favicon() {
 echo '<link rel="shortcut icon" type="image/x-icon" href="' . get_bloginfo('template_directory') . '/images/favicon.ico" />';
}
add_action( 'admin_head', 'admin_favicon' );

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function admin_favicon() {

echo '<link rel="shortcut icon" type="image/x-icon" href="' . get_bloginfo('template_directory') . '/images/favicon.ico" />';

}

add_action( 'admin_head', 'admin_favicon' );

Snippet Source/Credit: Snipplr

How To show All Active Plugins In Your WordPress Website

Using the following snippet, you will be able to know about all the active plugins in your WordPress website.

function wpse_54742_active_site_plugins() {
    $the_plugs = get_option('active_plugins'); 
    foreach($the_plugs as $key => $value) {
        $string = explode('/',$value); // Folder name will be displayed
        echo $string[0] ."\n";
    }
}
 wpse_54742_active_site_plugins();

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function wpse_54742_active_site_plugins() {

$the_plugs = get_option('active_plugins');

foreach($the_plugs as $key => $value) {

$string = explode('/',$value); // Folder name will be displayed

echo $string[0] ."\n";

}

wpse_54742_active_site_plugins();

Snippet Source/Credit: Snipplr

How To Rename WordPress Folder

Using the following snippet you will be able to rename WordPress folder.

define ( 'WP_CONTENT_FOLDERNAME', 'public' );
define ( 'WP_CONTENT_DIR', ABSPATH . WP_CONTENT_FOLDERNAME );
define ( 'WP_SITEURL', 'http://' . $_SERVER['HTTP_HOST'] . '/' );
define ( 'WP_CONTENT_URL', WP_SITEURL . WP_CONTENT_FOLDERNAME );

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define ( 'WP_CONTENT_FOLDERNAME', 'public' );

define ( 'WP_CONTENT_DIR', ABSPATH . WP_CONTENT_FOLDERNAME );

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

define ( 'WP_CONTENT_URL', WP_SITEURL . WP_CONTENT_FOLDERNAME );

Snippet Source/Credit: Snipplr

How To Disable Plugins Update In Your WordPress Blog

Using the following snippet, you will be able to disable plugins update in your WordPress blog.

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

1 2	remove_action( 'load-update-core.php', 'wp_update_plugins' ); add_filter( 'pre_site_transient_update_plugins', create_function( '$a', "return null;" ) );

Snippet Source/Credit: WP Snippets

Best Of WordPress Snippets Part – 5

By The Editorial Team

On August 14, 2015

In Snippets

How To Integrate The WordPress Media Uploader Into Your Plugin

The following snippet will let you integrate the WordPress media uploader into your plugin.

// PHP, adds the appropriate scripts and styles in admin
add_action('admin_print_scripts',array(&$this,'uploader_scripts'));
add_action('admin_print_styles',array(&$this,'uploader_styles'));
public function uploader_scripts(){
    wp_enqueue_script('media-upload');
    wp_enqueue_script('thinkbox');
}
public function uploader_styles(){
    wp_enqueue_style('thickbox');
} 
// The html for the button and hidden input for result (super simple)
<input id="backdrop_upload_button" value="Upload/Select Image" type="button" class="button" />
<input type="hidden" name="the_image" id="the_image" value="<?= $settings['the_image'] ?>" /> 
// The jQuery to open the media uploader and get the response
var $ = jQuery;
// Handels image uploading
$(document).ready(function(){
    $("input#upload_button").click(function(){
        tb_show('','media-upload.php?type=image&post_id=1&TB_iframe=true&flash=0&backdrop=true');
        return false;
    })
    window.send_to_editor=function(html){
        var img = $('<div>'+html+'</div>').find('img').attr('src');
        $('#the_image').val(img);
        tb_remove();
    };
});

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// PHP, adds the appropriate scripts and styles in admin

add_action('admin_print_scripts',array(&$this,'uploader_scripts'));

add_action('admin_print_styles',array(&$this,'uploader_styles'));

public function uploader_scripts(){

wp_enqueue_script('media-upload');

wp_enqueue_script('thinkbox');

}

public function uploader_styles(){

wp_enqueue_style('thickbox');

}

// The html for the button and hidden input for result (super simple)

// The jQuery to open the media uploader and get the response

var $ = jQuery;

// Handels image uploading

$(document).ready(function(){

$("input#upload_button").click(function(){

tb_show('','media-upload.php?type=image&post_id=1&TB_iframe=true&flash=0&backdrop=true');

return false;

})

window.send_to_editor=function(html){

var img = $('<div>'+html+'</div>').find('img').attr('src');

$('#the_image').val(img);

tb_remove();

};

});

Snippet Source/Credit: FatFolderDesign

How To No-Follow WordPress Tag Cloud

The following snippet will let you have the no-follow WordPress tag cloud.

function add_nofollow_tag($sLink) {
return str_replace('<a href=', '<a rel="nofollow" href=', $sLink);
}
add_filter('wp_tag_cloud', 'add_nofollow_tag');

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function add_nofollow_tag($sLink) {

return str_replace('<a href=', '<a rel="nofollow" href=', $sLink);

}

add_filter('wp_tag_cloud', 'add_nofollow_tag');

Snippet Source/Credit: Snipplr

How To Limit WordPress the_content By Words

With the help of snippet below, you will be able to limit WordPress the_content by words.

//Add this function to your functions.php file
function get_news($cat_slug, $limit){ 
 $my_query = new WP_Query('category_name='.$cat_slug.'&posts_per_page='.$limit); 
	$result = "<ul class='news-feed'>"; 
  	while ($my_query->have_posts()) : $my_query->the_post(); 
		$result .= '<li class="news-item"><a href="' . get_permalink() . '" target="_blank">' . get_the_title() . '</a><p>';
		$result .= apply_filters( 'the_content', wp_trim_words( get_the_content(), 15, '&hellip;' ) ) . ' <a href="' . get_permalink() . '" target="_blank" class="read_more"><strong>read more</strong> &raquo;</a>';
		$result .= '</li>';
	endwhile; 
  		$result .= '</ul>';
  	return $result;
} 
//Usage:
// get company news from the 'news' category with limit of 2 posts
print get_news('news', 2);

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//Add this function to your functions.php file

function get_news($cat_slug, $limit){

$my_query = new WP_Query('category_name='.$cat_slug.'&posts_per_page='.$limit);

$result = "<ul class='news-feed'>";

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

$result .= '<li class="news-item"><a href="' . get_permalink() . '" target="_blank">' . get_the_title() . '</a><p>';

$result .= apply_filters( 'the_content', wp_trim_words( get_the_content(), 15, '…' ) ) . ' <a href="' . get_permalink() . '" target="_blank" class="read_more"><strong>read more</strong> »</a>';

$result .= '</li>';

endwhile;

$result .= '</ul>';

return $result;

}

//Usage:

// get company news from the 'news' category with limit of 2 posts

print get_news('news', 2);

Snippet Source/Credit: StackExchange

How To List Author Comments On Author Page

Using the following snippet, you will be able to list all the author comments on authors page.

function wpse19316_author_comments( $length )
{
    $final_length = (int) $length;
    $author_comments = get_comments( array( 'ID' => $GLOBALS['authordata']->ID ) );
    foreach ( $author_comments as $comment )
    {
        $comment_length = sublen( $comment->comment_content );
        $comment_excerpt = $comment->comment_content;
        if ( $comment_length > $final_length )
            $comment_excerpt = substr( $comment->comment_content, $final_length );
        echo $comment_excerpt.'<br />';
    }
}

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function wpse19316_author_comments( $length )

{

$final_length = (int) $length;

$author_comments = get_comments( array( 'ID' => $GLOBALS['authordata']->ID ) );

foreach ( $author_comments as $comment )

{

$comment_length = sublen( $comment->comment_content );

$comment_excerpt = $comment->comment_content;

if ( $comment_length > $final_length )

$comment_excerpt = substr( $comment->comment_content, $final_length );

echo $comment_excerpt.'<br />';

}

Snippet Source/Credit: StachExchange

First And Last Result Of WP_Query In WordPress

With the help of snippet below, one can get to know that when was the first and last time, user called the query.

$firstQuizSql = $wpdb->get_results("SELECT id, datetaken, person FROM aw_wpsqt_all_results WHERE person_name='$user_info->user_login' ORDER BY id");
	$i = 1;
	foreach ($firstQuizSql as $firstQuizResult) {
		//first quiz result
		if ($i == 1) {
			echo $firstQuizResult->id . " ";
		} 
		//last quiz result
		if ($i == count($firstQuizSql)) {
			echo $firstQuizResult->id . " ";
		}
 
		$i++;
	}

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$firstQuizSql = $wpdb->get_results("SELECT id, datetaken, person FROM aw_wpsqt_all_results WHERE person_name='$user_info->user_login' ORDER BY id");

$i = 1;

foreach ($firstQuizSql as $firstQuizResult) {

//first quiz result

if ($i == 1) {

echo $firstQuizResult->id . " ";

}

//last quiz result

if ($i == count($firstQuizSql)) {

echo $firstQuizResult->id . " ";

}

$i++;

}

Snippet Source/Credit: Snipplr

Best Of Snippets Collection – 3

By The Editorial Team

On August 5, 2015

In Snippets

How To Delete Post Revisions In WordPress

While one-to-many times you felt that the post revisions you have got in hand in your blog are very much useful BUT counting on another side, it is good to clear it up. To do so, simply paste the following snippet in your functions.php file and you are done.

$wpdb->query( "
DELETE FROM $wpdb->posts
WHERE post_type = 'revision'
" );

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$wpdb->query( "

DELETE FROM $wpdb->posts

WHERE post_type = 'revision'

" );

Snippet Source/Credit: Hardeep Asrani

How To Count Your WordPress Website Blogroll Links

Using the following snippet, you will be able to count your WordPress website blogroll links.

<?php
$numlinks = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->links WHERE link_visible = 'Y'");
if (0 < $numlinks) $numlinks = number_format($numlinks);
echo $numlinks; 
?>

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<?php

$numlinks = $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->links WHERE link_visible = 'Y'");

if (0 < $numlinks) $numlinks = number_format($numlinks);

echo $numlinks;

?>

Snippet Source/Credit: Jeff Starr

How To Modify Size Of Embedded Videos In WordPress

Simply paste the following snippet on your functions.php file and you will be able to modify the size of embedded videos as per your requirements.

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');

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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');

Snippet Source/Credit: Shailan

How To Removing News Feed In WordPress Dashboard

The following snippet will let you remove news feed from your WordPress dashboard.

add_action('wp_dashboard_setup', 'my_dashboard_widgets');
function my_dashboard_widgets() {
     global $wp_meta_boxes;
     // remove unnecessary widgets
     // var_dump( $wp_meta_boxes['dashboard'] ); // use to get all the widget IDs
     unset(
          $wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins'],
          $wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary'],
          $wp_meta_boxes['dashboard']['side']['core']['dashboard_primary']
     );
     // add a custom dashboard widget
     wp_add_dashboard_widget( 'dashboard_custom_feed', 'News from 10up', 'dashboard_custom_feed_output' ); //add new RSS feed output
}
function dashboard_custom_feed_output() {
     echo '<div class="rss-widget">';
     wp_widget_rss_output(array(
          'url' => 'http://www.get10up.com/feed',
          'title' => 'What\'s up at 10up',
          'items' => 2,
          'show_summary' => 1,
          'show_author' => 0,
          'show_date' => 1,
     ));
     echo "</div>";
}

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add_action('wp_dashboard_setup', 'my_dashboard_widgets');

function my_dashboard_widgets() {

global $wp_meta_boxes;

// remove unnecessary widgets

// var_dump( $wp_meta_boxes['dashboard'] ); // use to get all the widget IDs

unset(

$wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins'],

$wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary'],

$wp_meta_boxes['dashboard']['side']['core']['dashboard_primary']

);

// add a custom dashboard widget

wp_add_dashboard_widget( 'dashboard_custom_feed', 'News from 10up', 'dashboard_custom_feed_output' ); //add new RSS feed output

}

function dashboard_custom_feed_output() {

echo '<div class="rss-widget">';

wp_widget_rss_output(array(

'url' => 'http://www.get10up.com/feed',

'title' => 'What\'s up at 10up',

'items' => 2,

'show_summary' => 1,

'show_author' => 0,

'show_date' => 1,

));

echo "</div>";

}

Snippet Source/Credit: Smashing Magazine

Best Of Snippets Collection – 2

By The Editorial Team

On July 29, 2015

In Snippets

How To Create Custom Terms Admin Column In WordPress

Using the following snippet, you will be able to create custom terms admin column in WordPress.

// for pages
    add_filter('manage_pages_columns', 'term_columns_id', 5);
    add_action('manage_pages_custom_column', 'term_custom_id_columns', 5, 2);
    // for posts
    add_filter('manage_posts_columns', 'term_columns_id', 5);
    add_action('manage_posts_custom_column', 'term_custom_id_columns', 5, 2);
function term_columns_id($defaults){
    $defaults['wps_post_type'] = __('Term');
    return $defaults;
}
function term_custom_id_columns($column_name, $id){
        if($column_name === 'wps_post_type'){
        echo the_terms( $id, 'TERM_NAME', '', ', ' );
       }
}

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// for pages

add_filter('manage_pages_columns', 'term_columns_id', 5);

add_action('manage_pages_custom_column', 'term_custom_id_columns', 5, 2);

// for posts

add_filter('manage_posts_columns', 'term_columns_id', 5);

add_action('manage_posts_custom_column', 'term_custom_id_columns', 5, 2);

function term_columns_id($defaults){

$defaults['wps_post_type'] = __('Term');

return $defaults;

}

function term_custom_id_columns($column_name, $id){

if($column_name === 'wps_post_type'){

echo the_terms( $id, 'TERM_NAME', '', ', ' );

}

Snippet Source/Credit: WP-Snipp

How To Block Admin For All Users In WordPress

Using the following snippet you will be able to block admin for all users in WordPress.

add_action( 'init', 'blockusers_wps_init' );
    function blockusers_wps_init() {
            if ( is_admin() && ! current_user_can( 'administrator' ) ) {
                    wp_redirect( home_url() );
                    exit;
            }
    }

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add_action( 'init', 'blockusers_wps_init' );

function blockusers_wps_init() {

if ( is_admin() && ! current_user_can( 'administrator' ) ) {

wp_redirect( home_url() );

exit;

}

Snippet Source/Credit: WPSnipp

How To Delete Links In Comments In WordPress

Using the following snippet, you will be able to delete links in comments in WordPress.

function delete_comment_link($id) {
    if (current_user_can('edit_post')) {
        echo '| <a href="'.get_bloginfo('wpurl').'/wp-admin/comment.php?action=cdc&c='.$id.'">borrar</a> ';
        echo '| <a href="'.get_bloginfo('wpurl').'/wp-admin/comment.php?action=cdc&dt=spam&c='.$id.'">spam</a>';
    }
}

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function delete_comment_link($id) {

if (current_user_can('edit_post')) {

echo '| <a href="'.get_bloginfo('wpurl').'/wp-admin/comment.php?action=cdc&c='.$id.'">borrar</a> ';

echo '| <a href="'.get_bloginfo('wpurl').'/wp-admin/comment.php?action=cdc&dt=spam&c='.$id.'">spam</a>';

}

Snippet Source/Credit: Snipplr

How To Display Posts In Random Order In WordPress

Using the following snippet, you will be able to display posts in random order in WordPress.

session_start();
add_filter( 'posts_orderby', 'randomise_with_pagination' );
function randomise_with_pagination( $orderby ) {
        if( is_front_page() ) {
                // Reset seed on load of initial archive page
                if( ! get_query_var( 'paged' ) || get_query_var( 'paged' ) == 0 || get_query_var( 'paged' ) == 1 ) {
                        if( isset( $_SESSION['seed'] ) ) {
                                unset( $_SESSION['seed'] );
                        }
                }
                // Get seed from session variable if it exists
                $seed = false;
                if( isset( $_SESSION['seed'] ) ) {
                        $seed = $_SESSION['seed'];
                }
                // Set new seed if none exists
                if ( ! $seed ) {
                        $seed = rand();
                        $_SESSION['seed'] = $seed;
                }
                // Update ORDER BY clause to use seed
                $orderby = 'RAND(' . $seed . ')';
        }
        return $orderby;
}

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session_start();

add_filter( 'posts_orderby', 'randomise_with_pagination' );

function randomise_with_pagination( $orderby ) {

if( is_front_page() ) {

// Reset seed on load of initial archive page

if( ! get_query_var( 'paged' ) || get_query_var( 'paged' ) == 0 || get_query_var( 'paged' ) == 1 ) {

if( isset( $_SESSION['seed'] ) ) {

unset( $_SESSION['seed'] );

}

// Get seed from session variable if it exists

$seed = false;

if( isset( $_SESSION['seed'] ) ) {

$seed = $_SESSION['seed'];

}

// Set new seed if none exists

if ( ! $seed ) {

$seed = rand();

$_SESSION['seed'] = $seed;

}

// Update ORDER BY clause to use seed

$orderby = 'RAND(' . $seed . ')';

}

return $orderby;

}

Snippet Source/Credit: Snipplr

Best Of WordPress Snippets Part – 4

By The Editorial Team

On July 13, 2015

In Snippets

How To Get An RSS Feed And Display Items With A Loop

Use of the following snippet will let you get an RSS feed and display items with a loop.

<?php
include_once(ABSPATH . WPINC . '/rss.php');
$feed = 'http://dangayle.com/feed/';
$rss = fetch_feed($feed);
if (!is_wp_error( $rss ) ) :
        $maxitems = $rss->get_item_quantity(3);
    $rss_items = $rss->get_items(0, $maxitems);
    if ($rss_items):
        echo "<ul>\n";
        foreach ( $rss_items as $item ) : 
            //instead of a bunch of string concatenation or echoes, I prefer the terseness of printf 
            //(http://php.net/manual/en/function.printf.php)
            printf('<li><a href="%s">%s</a><p>%s</p></li>',$item->get_permalink(),$item->get_title(),$item->get_description() );
        endforeach;
        echo "</ul>\n";
    endif;
endif;
?>

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<?php

include_once(ABSPATH . WPINC . '/rss.php');

$feed = 'http://dangayle.com/feed/';

$rss = fetch_feed($feed);

if (!is_wp_error( $rss ) ) :

$maxitems = $rss->get_item_quantity(3);

$rss_items = $rss->get_items(0, $maxitems);

if ($rss_items):

echo "<ul>\n";

foreach ( $rss_items as $item ) :

//instead of a bunch of string concatenation or echoes, I prefer the terseness of printf

//(http://php.net/manual/en/function.printf.php)

printf('<li><a href="%s">%s</a><p>%s</p></li>',$item->get_permalink(),$item->get_title(),$item->get_description() );

endforeach;

echo "</ul>\n";

endif;

?>

Snippet Source/Credit: DanGayle.com

How To Get Attachments For Post Or Page

Using the following snippet below will let you get attachments for posts or pages.

$args = array(
'post_type' => 'attachment',
'post_mime_type' => 'image',
'post_parent' => $post->ID
);
$images = get_posts( $args );
foreach($images as $image):
echo wp_get_attachment_image($image->ID, 'medium');
endforeach;

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$args = array(

'post_type' => 'attachment',

'post_mime_type' => 'image',

'post_parent' => $post->ID

);

$images = get_posts( $args );

foreach($images as $image):

echo wp_get_attachment_image($image->ID, 'medium');

endforeach;

Snippet Source/Credit: Stack Overflow

How To Have Custom Menus For Different Category/Page/Post

The following snippet will let you have custom menus for different category, page or post respectively.

<?php 
// add the following to wp theme function.php
	register_nav_menus( array(
		'primary-menu' => 'main menu',
                'marketing-menu' => 'marketing menu',
                'shopping menu' => 'shopping menu',
		'technology menu' =>  'technology menu',
		'recreation menu' =>  'recreation menu',
	) ); 
add_action( 'init', 'register_nav_menus' );
?> 
<?php
// add following to where you want the menu share, in my case, hearder.php
<?php
			if((has_nav_menu('marketing-menu') and !is_home() and is_category(array(5,6,8,9,10,11,12,13,14))) or (has_nav_menu('marketing-menu') and !is_home() and in_category(array(5,6,8,9,10,11,12,13,14))))  {
					wp_nav_menu(array(
					'theme_location' => 'marketing-menu',
					'container' => '',
					'menu_id' => 'primary-nav',
					'container_class' => 'main-menu',
					'menu_class' => 'nav'
				 ));
			}
			else(has_nav_menu('primary-menu')){
				 wp_nav_menu(array(
					'theme_location' => 'primary-menu',
					'container' => '',
					'menu_id' => 'primary-nav',
					'container_class' => 'main-menu',
					'menu_class' => 'nav'
				 )); 
?>

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<?php

// add the following to wp theme function.php

register_nav_menus( array(

'primary-menu' => 'main menu',

'marketing-menu' => 'marketing menu',

'shopping menu' => 'shopping menu',

'technology menu' => 'technology menu',

'recreation menu' => 'recreation menu',

) );

add_action( 'init', 'register_nav_menus' );

?>

<?php

// add following to where you want the menu share, in my case, hearder.php

<?php

if((has_nav_menu('marketing-menu') and !is_home() and is_category(array(5,6,8,9,10,11,12,13,14))) or (has_nav_menu('marketing-menu') and !is_home() and in_category(array(5,6,8,9,10,11,12,13,14)))) {

wp_nav_menu(array(

'theme_location' => 'marketing-menu',

'container' => '',

'menu_id' => 'primary-nav',

'container_class' => 'main-menu',

'menu_class' => 'nav'

));

}

else(has_nav_menu('primary-menu')){

wp_nav_menu(array(

'theme_location' => 'primary-menu',

'container' => '',

'menu_id' => 'primary-nav',

'container_class' => 'main-menu',

'menu_class' => 'nav'

));

?>

Snippet Source/Credit: WordPress Code 1, 2, 3, 4

How To Remove WordPress Version Meta

Using the following snippet in your theme’s functions.php file, you will be able to remove WordPress version meta.

remove_action('wp_head', 'wp_generator');

1	remove_action('wp_head', 'wp_generator');

How To Have WordPress Domain Check

Using the following snippet will let you have your WordPress domain check.

<?php
$loc = $_SERVER['REQUEST_URI'];
$locDomain = $_SERVER['HTTP_HOST'];
$posDomain = strpos($locDomain, 'travismathew.ca');
?> 
<?php if ($posDomain !== false) { ?> 
<!-- CANADIAN --> 
<?php } else { ?> 
<!-- UNITED STATES --> 
<?php } ?>

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<?php

$loc = $_SERVER['REQUEST_URI'];

$locDomain = $_SERVER['HTTP_HOST'];

$posDomain = strpos($locDomain, 'travismathew.ca');

?>

<?php if ($posDomain !== false) { ?>

<?php } else { ?>

<?php } ?>

Snippet Source/Credit: Snipplr

Best Of WordPress Snippets Part – 3

By The Editorial Team

On July 7, 2015

In Snippets

How To Render Your Twitter Followers Count In Your WordPress Blog

Adding the following snippet to your theme’s functions.php file, you will be able to render your Twitter followers count. Also, remember to replace “planetabhi” with your own Twitter screen name.

function my_followers_count($screen_name = 'planetabhi'){
	$key = 'my_followers_count_' . $screen_name;
 
	// Let's see if we have a cached version
	$followers_count = get_transient($key);
	if ($followers_count !== false)
		return $followers_count;
	else
	{
		// If there's no cached version we ask Twitter
		$response = wp_remote_get("http://api.twitter.com/1/users/show.json?screen_name={$screen_name}");
		if (is_wp_error($response))
		{
			// In case Twitter is down we return the last successful count
			return get_option($key);
		}
		else
		{
			// If everything's okay, parse the body and json_decode it
			$json = json_decode(wp_remote_retrieve_body($response));
			$count = $json->followers_count;
 
			// Store the result in a transient, expires after 1 day
			// Also store it as the last successful using update_option
			set_transient($key, $count, 60*60*24);
			update_option($key, $count);
			return $count;
		}
	}
} 
echo "I have " . my_followers_count('planetabhi') . " followers";

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function my_followers_count($screen_name = 'planetabhi'){

$key = 'my_followers_count_' . $screen_name;

// Let's see if we have a cached version

$followers_count = get_transient($key);

if ($followers_count !== false)

return $followers_count;

else

{

// If there's no cached version we ask Twitter

$response = wp_remote_get("http://api.twitter.com/1/users/show.json?screen_name={$screen_name}");

if (is_wp_error($response))

{

// In case Twitter is down we return the last successful count

return get_option($key);

}

else

{

// If everything's okay, parse the body and json_decode it

$json = json_decode(wp_remote_retrieve_body($response));

$count = $json->followers_count;

// Store the result in a transient, expires after 1 day

// Also store it as the last successful using update_option

set_transient($key, $count, 60*60*24);

update_option($key, $count);

return $count;

}

echo "I have " . my_followers_count('planetabhi') . " followers";

Snippet Source/Credit: Snipplr

How To Use Gravatars In Your Script

The following snippet will let you use gravatars in your script.

<?php
function show_my_gravatar($email, $size, $default, $rating)
{
  $params = '?gravatar_id='.md5($email).'&default='.$default.'&size='.$size.'&rating='.$rating;
  $output = '<img src="http://www.gravatar.com/avatar.php'.$params.'" width="'.$size.'px" height="'.$size.'px" />';
  echo $output;
}
?>

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<?php

function show_my_gravatar($email, $size, $default, $rating)

{

$params = '?gravatar_id='.md5($email).'&default='.$default.'&size='.$size.'&rating='.$rating;

$output = '<img src="http://www.gravatar.com/avatar.php'.$params.'" width="'.$size.'px" height="'.$size.'px" />';

echo $output;

}

?>

Snippet Source/Credit: AppHP

How To Generate Your Own Portfolio With Filtering Based On Taxonomy

Using the following snippet will let you generate your own portfolio with the help of filtering based on taxonomy.

<?php
	// get portfolio
	$args = array( 'post_type' => 'portfolio', 'posts_per_page' => 100, 'orderby' => 'title', 'order' => 'asc' );
	$loop = new WP_Query( $args );    
	$port = array();
	while ( $loop->have_posts() ) : $loop->the_post();		
			$idx = get_the_ID();
			$year_completed = get_post_meta($idx, 'year_completed', true);
			$website_addr = get_post_meta($idx, 'website_address', true);
			$thumb = get_the_post_thumbnail($idx, 'thumbnail'); //250x200 - featured image
			$title = get_the_title();
			$excerpt = get_the_excerpt();
			$content = get_the_content();
 
			//get 'Solutions' terms
			$terms = get_the_terms($idx, 'Solutions');
			$terms_string = '';
 
			//build up comma delimited string
			foreach($terms as $t){
				$terms_string .= $t->slug . ' ';
			}
			$port[] = array(
				'id' => $idx,
				'year_completed' => $year_completed,
				'website' => $website_addr,
				'thumb' => $thumb,
				'title' => $title,
				'content' => $content,
				'excerpt' => $excerpt,
				'terms' => $terms,
				'terms_string' =>$terms_string, //classifications (comma delimited slugs)
				'permalink' => get_permalink(),
			);
	endwhile;
 
	$terms = get_terms('Solutions');	
 
	$filters = '<section id="options" class="clearfix">
			    <ul id="filters" class="option-set floated clearfix">
			    <li><a href="#filter" data-filter="*" class="selected">show all</a></li>';						    
 
				foreach($terms as $t){		    
			      $filters .= '<li><a href="#filter" data-filter=".' . $t->slug . '">' . $t->name . '</a></li>';// $t->count
				}
			    $filters .= '</ul></section>';
?>  
 
 
<!-- add this inside entry-content -->
    <?php echo $filters; ?>					
	<div id="portfolio">
 
		<!-- isotope -->
        <ul class="thumbnails isotope">
        <?php foreach($port as $p){ ?>
            <li class="span3 element <?php echo $p['terms_string']; ?>">
                <div class="thumbnail">
                    <?php echo $p['thumb']; ?>
                    <div class="caption">
                      <h5><a href="<?php echo $p['permalink']; ?>"><?php echo $p['title']; ?></a></h5>
                    </div><!-- end caption -->
                </div><!-- end thumbnail -->
            </li>
		<?	} //end foreach ?>
        </ul>
 
    </div><!-- end #portfolio -->

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<?php

// get portfolio

$args = array( 'post_type' => 'portfolio', 'posts_per_page' => 100, 'orderby' => 'title', 'order' => 'asc' );

$loop = new WP_Query( $args );

$port = array();

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

$idx = get_the_ID();

$year_completed = get_post_meta($idx, 'year_completed', true);

$website_addr = get_post_meta($idx, 'website_address', true);

$thumb = get_the_post_thumbnail($idx, 'thumbnail'); //250x200 - featured image

$title = get_the_title();

$excerpt = get_the_excerpt();

$content = get_the_content();

//get 'Solutions' terms

$terms = get_the_terms($idx, 'Solutions');

$terms_string = '';

//build up comma delimited string

foreach($terms as $t){

$terms_string .= $t->slug . ' ';

}

$port[] = array(

'id' => $idx,

'year_completed' => $year_completed,

'website' => $website_addr,

'thumb' => $thumb,

'title' => $title,

'content' => $content,

'excerpt' => $excerpt,

'terms' => $terms,

'terms_string' =>$terms_string, //classifications (comma delimited slugs)

'permalink' => get_permalink(),

);

endwhile;

$terms = get_terms('Solutions');

$filters = '<section id="options" class="clearfix">

<li><a href="#filter" data-filter="*" class="selected">show all</a></li>';

foreach($terms as $t){

$filters .= '<li><a href="#filter" data-filter=".' . $t->slug . '">' . $t->name . '</a></li>';// $t->count

}

$filters .= '</ul></section>';

?>

<?php echo $filters; ?>

<?php foreach($port as $p){ ?>

<?php echo $p['thumb']; ?>

</div>

</div>

</li>

<? } //end foreach ?>

</ul>

</div>

Snippet Source/Credit: ToddWilson

How To Get Template For WordPress Widget

Using the following snippet will let you get template for WordPress widget.

/* 
Plugin Name: Your Plugin Name Here 
Plugin URI: http://yourpluginsite.com 
Description: This displays your Blogs in your WP Network 
Author: The Author Name Here 
Version: 1.0.0 
Author URI: http://theauthoraddress.com 
*/  
class My_Widget extends WP_Widget {   
    public function __construct() {  
        // widget actual processes  
    }   
    public function form( $instance ) {  
        // outputs the options form on admin  
    }   
    public function update( $new_instance, $old_instance ) {  
        // processes widget options to be saved  
    }   
    public function widget( $args, $instance ) {  
        // outputs the content of the widget  
    }  
}  
add_action( 'widgets_init', create_function( '', 'register_widget( "My_Widget" );'

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/*

Plugin Name: Your Plugin Name Here

Plugin URI: http://yourpluginsite.com

Description: This displays your Blogs in your WP Network

Author: The Author Name Here

Version: 1.0.0

Author URI: http://theauthoraddress.com

*/

class My_Widget extends WP_Widget {

public function __construct() {

// widget actual processes

}

public function form( $instance ) {

// outputs the options form on admin

}

public function update( $new_instance, $old_instance ) {

// processes widget options to be saved

}

public function widget( $args, $instance ) {

// outputs the content of the widget

}

add_action( 'widgets_init', create_function( '', 'register_widget( "My_Widget" );'

Snippet Source/Credit: Snipplr

Best Of WordPress Snippets Part – 2

By The Editorial Team

On June 19, 2015

In Snippets

How To Include jQuery In WordPress Theme

The following snippet will let you include jQuery in WordPress theme.

if( !is_admin()){
	   wp_deregister_script('jquery');
	   wp_register_script('jquery', ("http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"), false, '1.3.2');
	   wp_enqueue_script('jquery');
	}

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if( !is_admin()){

wp_deregister_script('jquery');

wp_register_script('jquery', ("http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"), false, '1.3.2');

wp_enqueue_script('jquery');

}

Snippet Source/Credit: Snipplr

How To Know That Which Template Are You Using In Your WordPress Website

Using the following snippet, you will be able to get to know that which template you are using in your WordPress website.

add_action( 'wp_head', 'show_me_the_template' );
function show_me_the_template() {
	global $template, $current_user, $wp_admin_bar; 
	get_currentuserinfo();
        /* If you have more than one user deny. Be sure to use your user ID! */
	if ( !is_user_logged_in() && $current_user->ID != '1' ) 
		return;
	if ( is_admin_bar_showing() )
		$wp_admin_bar->add_menu( array(
			'parent' => false,
			'id' => 'template',
			'title' => $template,
			'href' => '#'
		));
	else
		print_r( $template );
}

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add_action( 'wp_head', 'show_me_the_template' );

function show_me_the_template() {

global $template, $current_user, $wp_admin_bar;

get_currentuserinfo();

/* If you have more than one user deny. Be sure to use your user ID! */

if ( !is_user_logged_in() && $current_user->ID != '1' )

return;

if ( is_admin_bar_showing() )

$wp_admin_bar->add_menu( array(

'parent' => false,

'id' => 'template',

'title' => $template,

'href' => '#'

));

else

print_r( $template );

}

Snippet Source/Credit: Snipplr

How To Move And Rename ‘Featured Image’ Box

Add the following snippet to your theme’s functions.php file will let you move and rename “featured image” box.

function customposttype_image_box() { 
	remove_meta_box('postimagediv', 'home-page-banners', 'side');
	remove_meta_box('postimagediv', 'page', 'side'); 
	add_meta_box('postimagediv', __('Banner Image - The image that appears at the top of the page, size should be 760 x 155 pixels'), 'post_thumbnail_meta_box', 'page', 'normal', 'high');
	add_meta_box('postimagediv', __('Banner Image - 760 x 390 pixels - Bigger images will be cropped automatically.'), 'post_thumbnail_meta_box', 'home-page-banners', 'normal', 'high'); 
}
add_action('do_meta_boxes', 'customposttype_image_box');

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function customposttype_image_box() {

remove_meta_box('postimagediv', 'home-page-banners', 'side');

remove_meta_box('postimagediv', 'page', 'side');

add_meta_box('postimagediv', __('Banner Image - The image that appears at the top of the page, size should be 760 x 155 pixels'), 'post_thumbnail_meta_box', 'page', 'normal', 'high');

add_meta_box('postimagediv', __('Banner Image - 760 x 390 pixels - Bigger images will be cropped automatically.'), 'post_thumbnail_meta_box', 'home-page-banners', 'normal', 'high');

}

add_action('do_meta_boxes', 'customposttype_image_box');

Snippet Source/Credit: WordPress.org

How To Remove Default Author Profile Fields In WordPress

With the help of following snippet, you will be able to remove default author profile fields in WordPress.

add_filter('user_contactmethods','hide_profile_fields',10,1); 
function hide_profile_fields( $contactmethods ) {
unset($contactmethods['aim']);
unset($contactmethods['jabber']);
unset($contactmethods['yim']);
return $contactmethods;
}

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add_filter('user_contactmethods','hide_profile_fields',10,1);

function hide_profile_fields( $contactmethods ) {

unset($contactmethods['aim']);

unset($contactmethods['jabber']);

unset($contactmethods['yim']);

return $contactmethods;

}

Snippet Source/Credit: Snipplr

How To Use LESS In WordPress

With the help of following snippet, you will be able to use LESS in WordPress.

/** START - ADD LESS TO WORDPRESS - http://eckstein.id.au  **/
add_action( 'wp_head' , 'itsb_lesscss' );
function itsb_lesscss() {
?>
     <link rel="stylesheet/less" type="text/css" href="<?php echo bloginfo('url'); ?>/wp-content/mu-plugins/style.less">
    <script src="//cdnjs.cloudflare.com/ajax/libs/less.js/1.3.0/less-1.3.0.min.js" type="text/javascript"></script>
<?php 
}
/** END - ADD LESS TO WORDPRESS  **/

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/** START - ADD LESS TO WORDPRESS - http://eckstein.id.au **/

add_action( 'wp_head' , 'itsb_lesscss' );

function itsb_lesscss() {

?>

<?php

}

/** END - ADD LESS TO WORDPRESS **/

Snippet Source/Credit: eckstein.id.au

Best Of WordPress Snippets Part – 1

By The Editorial Team

On June 15, 2015

In Snippets

How To Display Twitter Followers Image List

The following snippet displays the Twitter followers image list.

<?php
//replace $options['twitter'] with the twitter Username you want to use.
?>	 
		<?php
		$xmlfollowersUrl = 'http://api.twitter.com/1/statuses/followers/'.$options['twitter'].'.xml'; 
		if (file_exists(WP_CONTENT_DIR.'/uploads/twitter_followers.xml')) {
		$data = unserialize(file_get_contents(WP_CONTENT_DIR.'/uploads/twitter_followers.xml'));
			if ($data['timestamp'] > time() - 120 * 60) {
			$twitter_followers = $data['twitter_result'];
			}
		} 
if (!$twitter_followers) { // cache doesn't exist or is older than 10 mins
    $twitter_followers = file_get_contents($xmlfollowersUrl); // or whatever your API call is 
    $data = array ('twitter_followers' => $twitter_followers, 'timestamp' => time());
    file_put_contents(WP_CONTENT_DIR.'/uploads/twitter_followers.xml', serialize($data));
} 
		$dom = new DOMDocument;
		$s = simplexml_load_string($twitter_followers);
		$count = 0;
		echo '<ul class="seguidores">';
		foreach($s->user as $follower):
			if(++$count > 50){
				break;
				}			
			echo '<li><a target="_blank" href="http://www.twitter.com/'.$follower->screen_name.'"><img width="32" height="32" src="'.$follower->profile_image_url.'" alt="'.$follower->name.'" title="'.$follower->name.': '.$follower->status->text.'"/></a></li>';	
		endforeach;
		echo '</ul>';				
		?>

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<?php

//replace $options['twitter'] with the twitter Username you want to use.

?>

<?php

$xmlfollowersUrl = 'http://api.twitter.com/1/statuses/followers/'.$options['twitter'].'.xml';

if (file_exists(WP_CONTENT_DIR.'/uploads/twitter_followers.xml')) {

$data = unserialize(file_get_contents(WP_CONTENT_DIR.'/uploads/twitter_followers.xml'));

if ($data['timestamp'] > time() - 120 * 60) {

$twitter_followers = $data['twitter_result'];

}

if (!$twitter_followers) { // cache doesn't exist or is older than 10 mins

$twitter_followers = file_get_contents($xmlfollowersUrl); // or whatever your API call is

$data = array ('twitter_followers' => $twitter_followers, 'timestamp' => time());

file_put_contents(WP_CONTENT_DIR.'/uploads/twitter_followers.xml', serialize($data));

}

$dom = new DOMDocument;

$s = simplexml_load_string($twitter_followers);

$count = 0;

echo '<ul class="seguidores">';

foreach($s->user as $follower):

if(++$count > 50){

break;

}

echo '<li><a target="_blank" href="http://www.twitter.com/'.$follower->screen_name.'"><img width="32" height="32" src="'.$follower->profile_image_url.'" alt="'.$follower->name.'" title="'.$follower->name.': '.$follower->status->text.'"/></a></li>';

endforeach;

echo '</ul>';

?>

Snippet Source/Credit: Snipplr

How To Delete Width And Height Attributes From Image Tag

The following snippet will let you delete both width and height attributes from image tag.

<?php 
$image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'thumbnail' );  
if ($image) : ?>
    <img src="<?php echo $image[0]; ?>" alt="" />
<?php endif; ?>

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<?php

$image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'thumbnail' );

if ($image) : ?>

<?php endif; ?>

Snippet Source/Credit: Stackexchange

How To Define WordPress Template

The following snippet will let you define WordPress template.

<?php
/*
Template Name: Snarfer
*/
?>

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<?php

/*

Template Name: Snarfer

*/

?>

Snippet Source/Credit: WordPress.org

How To Display WordPress Excerpt Dynamic Length

The following snippet display the WordPress excerpt dynamic length.

function ms_rp_excerpt($limit) {
		$excerpt = explode(' ', get_the_excerpt(), $limit);
		if (count($excerpt) >= $limit) {
			array_pop($excerpt);
			$excerpt = implode(' ', $excerpt).'...';
		}
		else {
			$excerpt = implode(' ', $excerpt);
		}
		$excerpt = preg_replace('`\[[^\]]*\]`', '', $excerpt);
		return $excerpt;
	}

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function ms_rp_excerpt($limit) {

$excerpt = explode(' ', get_the_excerpt(), $limit);

if (count($excerpt) >= $limit) {

array_pop($excerpt);

$excerpt = implode(' ', $excerpt).'...';

}

else {

$excerpt = implode(' ', $excerpt);

}

$excerpt = preg_replace('`\[[^\]]*\]`', '', $excerpt);

return $excerpt;

}

Snippet Source/Credit: Snipplr

How To Execute Shortcode From Custom Field

Using the snippet below will let you execute shortcode from custom field.

<?php echo apply_filters('the_content', get_post_meta($post->ID, 'your_custom_field_here', true)); ?>

1	<?php echo apply_filters('the_content', get_post_meta($post->ID, 'your_custom_field_here', true)); ?>

Snippet Source/Credit: Leeboyce.co.uk

Best Of WordPress Snippets RoundUp – 5

By The Editorial Team

On June 1, 2015

In Snippets

How To Add Featured Image To RSS Feed In WordPress

Using the following snippet, you will be able to add featured image to RSS feed in WordPress.

add_filter( 'the_content', 'featured_image_in_feed' );
function featured_image_in_feed( $content ) {
    global $post;
    if( is_feed() ) {
        if ( has_post_thumbnail( $post->ID ) ){
            $output = get_the_post_thumbnail( $post->ID, 'medium', array( 'style' => 'float:right; margin:0 0 10px 10px;' ) );
            $content = $output . $content;
        }
    }
    return $content;
}

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add_filter( 'the_content', 'featured_image_in_feed' );

function featured_image_in_feed( $content ) {

global $post;

if( is_feed() ) {

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

$output = get_the_post_thumbnail( $post->ID, 'medium', array( 'style' => 'float:right; margin:0 0 10px 10px;' ) );

$content = $output . $content;

}

return $content;

}

Snippet Source/Credit: WPSnipp

How To Add Nofollow Attribute To Category Specific Links In WordPress

Using the following snippet, you will be able to add nofollow attribute to category specific links in WordPress.

function nofollow_cat_posts($text) {
global $post;
        if( in_category(1) ) { // SET CATEGORY ID HERE
                $text = stripslashes(wp_rel_nofollow($text));
        }
        return $text;
}
add_filter('the_content', 'nofollow_cat_posts');

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function nofollow_cat_posts($text) {

global $post;

if( in_category(1) ) { // SET CATEGORY ID HERE

$text = stripslashes(wp_rel_nofollow($text));

}

return $text;

}

add_filter('the_content', 'nofollow_cat_posts');

Snippet Source/Credit: WPRecipes

Get Parent Id For WordPress

Using the following snippet, you will be able to get Parent Id for WordPress.

<?php
//get parent id
$current_cat_id = get_query_var('cat');
$child = get_category($current_cat_id);
$parent = $child->parent;
//
?>

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<?php

//get parent id

$current_cat_id = get_query_var('cat');

$child = get_category($current_cat_id);

$parent = $child->parent;

//

?>

Snippet Source/Credit: Snipplr

How To Remove Widgets From WordPress Dashboard

Using the following snippet, you will be able to remove widgets from WordPress dashboard.

//Remove unwanted widgets from Dashboard
function remove_dashboard_widgets() {
	global$wp_meta_boxes; 
	unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins']);
	unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary']);
}
add_action('wp_dashboard_setup', 'remove_dashboard_widgets');

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//Remove unwanted widgets from Dashboard

function remove_dashboard_widgets() {

global$wp_meta_boxes;

unset($wp_meta_boxes['dashboard']['normal']['core']['dashboard_plugins']);

unset($wp_meta_boxes['dashboard']['side']['core']['dashboard_secondary']);

}

add_action('wp_dashboard_setup', 'remove_dashboard_widgets');

Snippet Source/Credit: WP Guru

How To Replace ‘Howdy, Admin’ In WordPress With Something Else

The following snippet will let you replace “Howdy, Admin” in WordPress.

function replace_howdy( $wp_admin_bar ) {
    $my_account=$wp_admin_bar->get_node('my-account');
    $newtitle = str_replace( 'Howdy,', 'Logged in as', $my_account->title );
    $wp_admin_bar->add_node( array(
        'id' => 'my-account',
        'title' => $newtitle,
    ) );
}
add_filter( 'admin_bar_menu', 'replace_howdy',25 );

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function replace_howdy( $wp_admin_bar ) {

$my_account=$wp_admin_bar->get_node('my-account');

$newtitle = str_replace( 'Howdy,', 'Logged in as', $my_account->title );

$wp_admin_bar->add_node( array(

'id' => 'my-account',

'title' => $newtitle,

) );

}

add_filter( 'admin_bar_menu', 'replace_howdy',25 );

Snippet Source/Credit: Snipplr

Best Of WordPress Snippets RoundUp – 4

By The Editorial Team

On May 26, 2015

In Plugins

How To Delete Links In Comments In WordPress

Using the following snippet, you will be able to delete links in comments in WordPress.

function delete_comment_link($id) {
    if (current_user_can('edit_post')) {
        echo '| <a href="'.get_bloginfo('wpurl').'/wp-admin/comment.php?action=cdc&c='.$id.'">borrar</a> ';
        echo '| <a href="'.get_bloginfo('wpurl').'/wp-admin/comment.php?action=cdc&dt=spam&c='.$id.'">spam</a>';
    }
}

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function delete_comment_link($id) {

if (current_user_can('edit_post')) {

echo '| <a href="'.get_bloginfo('wpurl').'/wp-admin/comment.php?action=cdc&c='.$id.'">borrar</a> ';

echo '| <a href="'.get_bloginfo('wpurl').'/wp-admin/comment.php?action=cdc&dt=spam&c='.$id.'">spam</a>';

}

Snippet Source/Credit: Snipplr

How To Block Admin For All Users In WordPress

Using the following snippet you will be able to block admin for all users in WordPress.

add_action( 'init', 'blockusers_wps_init' );
    function blockusers_wps_init() {
            if ( is_admin() && ! current_user_can( 'administrator' ) ) {
                    wp_redirect( home_url() );
                    exit;
            }
    }

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add_action( 'init', 'blockusers_wps_init' );

function blockusers_wps_init() {

if ( is_admin() && ! current_user_can( 'administrator' ) ) {

wp_redirect( home_url() );

exit;

}

Snippet Source/Credit: WPSnipp

How To Create Custom Terms Admin Column In WordPress

Using the following snippet, you will be able to create custom terms admin column in WordPress.

// for pages
    add_filter('manage_pages_columns', 'term_columns_id', 5);
    add_action('manage_pages_custom_column', 'term_custom_id_columns', 5, 2);
    // for posts
    add_filter('manage_posts_columns', 'term_columns_id', 5);
    add_action('manage_posts_custom_column', 'term_custom_id_columns', 5, 2);
function term_columns_id($defaults){
    $defaults['wps_post_type'] = __('Term');
    return $defaults;
}
function term_custom_id_columns($column_name, $id){
        if($column_name === 'wps_post_type'){
        echo the_terms( $id, 'TERM_NAME', '', ', ' );
       }
}

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// for pages

add_filter('manage_pages_columns', 'term_columns_id', 5);

add_action('manage_pages_custom_column', 'term_custom_id_columns', 5, 2);

// for posts

add_filter('manage_posts_columns', 'term_columns_id', 5);

add_action('manage_posts_custom_column', 'term_custom_id_columns', 5, 2);

function term_columns_id($defaults){

$defaults['wps_post_type'] = __('Term');

return $defaults;

}

function term_custom_id_columns($column_name, $id){

if($column_name === 'wps_post_type'){

echo the_terms( $id, 'TERM_NAME', '', ', ' );

}

Snippet Source/Credit: WP-Snipp

How To Create Page On Theme Activation In WordPress

Using the following snippet, you will be able to create page on theme activation in WordPress.

if (isset($_GET['activated']) && is_admin()){
        $new_page_title = 'This is the page title';
        $new_page_content = 'This is the page content';
        $new_page_template = ''; //ex. template-custom.php. Leave blank if you don't want a custom page template.
        //don't change the code bellow, unless you know what you're doing
        $page_check = get_page_by_title($new_page_title);
        $new_page = array(
                'post_type' => 'page',
                'post_title' => $new_page_title,
                'post_content' => $new_page_content,
                'post_status' => 'publish',
                'post_author' => 1,
        );
        if(!isset($page_check->ID)){
                $new_page_id = wp_insert_post($new_page);
                if(!empty($new_page_template)){
                        update_post_meta($new_page_id, '_wp_page_template', $new_page_template);
                }
        }
}

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if (isset($_GET['activated']) && is_admin()){

$new_page_title = 'This is the page title';

$new_page_content = 'This is the page content';

$new_page_template = ''; //ex. template-custom.php. Leave blank if you don't want a custom page template.

//don't change the code bellow, unless you know what you're doing

$page_check = get_page_by_title($new_page_title);

$new_page = array(

'post_type' => 'page',

'post_title' => $new_page_title,

'post_content' => $new_page_content,

'post_status' => 'publish',

'post_author' => 1,

);

if(!isset($page_check->ID)){

$new_page_id = wp_insert_post($new_page);

if(!empty($new_page_template)){

update_post_meta($new_page_id, '_wp_page_template', $new_page_template);

}

Snippet Source/Credit: WPCanyon.com

How To Automatically Link Twitter Usernames In WordPress Posts

Using the following snippet, you will be able to automatically link Twitter usernames in WordPress posts.

function content_twitter_mention($content) {
        return preg_replace('/([^a-zA-Z0-9-_&])@([0-9a-zA-Z_]+)/', "$1@$2", $content);
}
add_filter('the_content', 'content_twitter_mention');   
add_filter('comment_text', 'content_twitter_mention');

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function content_twitter_mention($content) {

return preg_replace('/([^a-zA-Z0-9-_&])@([0-9a-zA-Z_]+)/', "$1@$2", $content);

}

add_filter('the_content', 'content_twitter_mention');

add_filter('comment_text', 'content_twitter_mention');

Snippet Source/Credit: Paulund.co.uk

How To Add A Logo To A Template

Using the following snippet, you will be able to add a logo to a template.

<img src="<?php echo get_stylesheet_directory_uri()?>/images/logo.png" alt="My Logo">

1	<img src="<?php echo get_stylesheet_directory_uri()?>/images/logo.png" alt="My Logo">

Snippet Source/Credit: WPSnipp

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How To Delete Width And Height Attributes From Image Tag

How To Define WordPress Template

How To Display WordPress Excerpt Dynamic Length

How To Execute Shortcode From Custom Field

How To Add Featured Image To RSS Feed In WordPress

How To Add Nofollow Attribute To Category Specific Links In WordPress

Get Parent Id For WordPress

How To Remove Widgets From WordPress Dashboard

How To Replace ‘Howdy, Admin’ In WordPress With Something Else

How To Delete Links In Comments In WordPress

How To Block Admin For All Users In WordPress

How To Create Custom Terms Admin Column In WordPress

How To Create Page On Theme Activation In WordPress

How To Automatically Link Twitter Usernames In WordPress Posts

How To Add A Logo To A Template