Best Of WordPress Code Snippets Collection – 1

How To Disable Comments Completely In WordPress

Adding the following snippet will let you disable Word Press comments completely.

<?php return false; ?>

1	<?php return false; ?>

Snippet Source/Credit: aotearoawebdesign.co.nz

How To Limit Posts Per Page On Search In WordPress

Using the following snippet will let you limit posts per page on search page in WordPress.

function limit_posts_per_search_page() {
	if ( is_search() )
		set_query_var('posts_per_archive_page', 20); 
}
add_filter('pre_get_posts', 'limit_posts_per_search_page');

function limit_posts_per_search_page() {

if ( is_search() )

set_query_var('posts_per_archive_page', 20);

}

add_filter('pre_get_posts', 'limit_posts_per_search_page');

Snippet Source/Credit: WordPress.org

Fixing HTTP Error In WordPress

Using the following snippet in your theme’s .htaccess code will let you fix HTTP error in WordPress.

<IfModule mod_security.c>
<Files async-upload.php>
SecFilterEngine Off
SecFilterScanPOST Off
</Files>
</IfModule>

SecFilterEngine Off

SecFilterScanPOST Off

</Files>

</IfModule>

How To Know That Which Theme You Are Using

Adding the following lines of code will let you know that which theme you are using.

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 );
}

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 Change Editor Font In WordPress

Using the snippet below and you will be able to change the font the way you want.

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 }

Snippet Source/Credit: DevPress

How To Disable Plugins Update In Your WordPress Blog

Using the following snippet, you will be able to disable all the plugins 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

How To Set A Maximum Word Count On Post Titles

Adding the following snippet to your theme’s functions.php file, you will be able to set a maximum word count on post titles.

function maxWord($title){
    global $post;
    $title = $post->post_title;
    if (str_word_count($title) >= 10 ) //set this to the maximum number of words
        wp_die( __('Error: your post title is over the maximum word count.') );
}
add_action('publish_post', 'maxWord');

function maxWord($title){

global $post;

$title = $post->post_title;

if (str_word_count($title) >= 10 ) //set this to the maximum number of words

wp_die( __('Error: your post title is over the maximum word count.') );

}

add_action('publish_post', 'maxWord');

Snippet Source/Credit: Pippin