Snippets Collection Part – 3

How To Change WordPress Login Logo Title Attribute

Using the following snippet, you will be able to change WordPress login logo title attribute.

function  custom_login_title() {
        return 'Your desired text';
}
add_filter('login_headertitle', 'custom_login_title');

function custom_login_title() {

return 'Your desired text';

}

add_filter('login_headertitle', 'custom_login_title');

Snippet Source/Credit: Dave Clements

How To Load All Posts From The Current Week

Using the following snippet, you will be able to load all posts from the current week.

// display posts as desired
query_args = array(
	'w'    => date( 'W' ),
	'year' => date( 'Y' ),
);
$posts = get_posts( $query_args );

// display posts as desired

query_args = array(

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

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

);

$posts = get_posts( $query_args );

Source Snippet/Code: Christian Brückner

How To Add A Custom Message To The Editor Pane

Using the following snippet, you will be able to add a custom message to the editor pane.

function wptutsplus_text_after_title( $post_type ) { ?>
    <div class="after-title-help postbox">
        <h3>Using this screen</h3>
        <div class="inside">
            <p>Use this screen to add new articles or edit existing ones. Make sure you click 'Publish' to publish a new article once you've added it, or 'Update' to save any changes.</p>
        </div><!-- .inside -->
    </div><!-- .postbox -->
<?php }
add_action( 'edit_form_after_title', 'wptutsplus_text_after_title' );

function wptutsplus_text_after_title( $post_type ) { ?>

<h3>Using this screen</h3>

<p>Use this screen to add new articles or edit existing ones. Make sure you click 'Publish' to publish a new article once you've added it, or 'Update' to save any changes.</p>

</div>

</div>

<?php }

add_action( 'edit_form_after_title', 'wptutsplus_text_after_title' );

Snippet Source/Credit: WP Tuts

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');

//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 Delete WordPress Post Revisions Using Your Functions.php File

Using the following snippet, you will be able to delete WordPress post revision using your functions.php file.

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

$wpdb->query( "

DELETE FROM $wpdb->posts

WHERE post_type = 'revision'

" );

Snippet Source/Credit: Hardeep Asrani

How To Add A Link To Your Post Using RSS Feed

Using the following snippet, you will be able to add a link to your post using RSS feed.

<?php
/*
Template Name: Custom Feed
*/
$numposts = 5;
function yoast_rss_date( $timestamp = null ) {
  $timestamp = ($timestamp==null) ? time() : $timestamp;
  echo date(DATE_RSS, $timestamp);
}
function yoast_rss_text_limit($string, $length, $replacer = '...') { 
  $string = strip_tags($string);
  if(strlen($string) > $length) 
    return (preg_match('/^(.*)\W.*$/', substr($string, 0, $length+1), $matches) ? $matches[1] : substr($string, 0, $length)) . $replacer;   
  return $string; 
}
$posts = query_posts('showposts='.$numposts);
$lastpost = $numposts - 1;
header("Content-Type: application/rss+xml; charset=UTF-8");
echo '<?xml version="1.0"?>';
?><rss version="2.0">
<channel>
  <title>Yoast E-mail Update</title>
  <link>http://yoast.com/</link>
  <description>The latest blog posts from Yoast.com.</description>
  <language>en-us</language>
  <pubDate><?php yoast_rss_date( strtotime($ps[$lastpost]->post_date_gmt) ); ?></pubDate>
  <lastBuildDate><?php yoast_rss_date( strtotime($ps[$lastpost]->post_date_gmt) ); ?></lastBuildDate>
  <managingEditor>joost@yoast.com</managingEditor>
<?php foreach ($posts as $post) { ?>
  <item>
    <title><?php echo get_the_title($post->ID); ?></title>
    <link><?php echo get_permalink($post->ID); ?></link>
    <description><?php echo '<![CDATA['.yoast_rss_text_limit($post->post_content, 500).'<br/><br/>Keep on reading: <a href="'.get_permalink($post->ID).'">'.get_the_title($post->ID).'</a>'.']]>';  ?></description>
    <pubDate><?php yoast_rss_date( strtotime($post->post_date_gmt) ); ?></pubDate>
    <guid><?php echo get_permalink($post->ID); ?></guid>
  </item>
<?php } ?>
</channel>
</rss>

<?php

Template Name: Custom Feed

$numposts = 5;

function yoast_rss_date( $timestamp = null ) {

$timestamp = ($timestamp==null) ? time() : $timestamp;

echo date(DATE_RSS, $timestamp);

}

function yoast_rss_text_limit($string, $length, $replacer = '...') {

$string = strip_tags($string);

if(strlen($string) > $length)

return (preg_match('/^(.*)\W.*$/', substr($string, 0, $length+1), $matches) ? $matches[1] : substr($string, 0, $length)) . $replacer;

return $string;

}

$posts = query_posts('showposts='.$numposts);

$lastpost = $numposts - 1;

header("Content-Type: application/rss+xml; charset=UTF-8");

echo '<?xml version="1.0"?>';

?><rss version="2.0">

<title>Yoast E-mail Update</title>

<description>The latest blog posts from Yoast.com.</description>

<managingEditor>joost@yoast.com</managingEditor>

<?php foreach ($posts as $post) { ?>

<item>

<description><?php echo '<![CDATA['.yoast_rss_text_limit($post->post_content, 500).'<br/><br/>Keep on reading: <a href="'.get_permalink($post->ID).'">'.get_the_title($post->ID).'</a>'.']]>'; ?></description>

</item>

<?php } ?>

</channel>

</rss>

Snippet Source/Credit: Yoast