jQuery in the footer

Add this to your functions.php

function my_init()   
    if (!is_admin())   
        // Load a copy of jQuery from the Google API CDN  
        // The last parameter set to TRUE states that it should be loaded  
        // in the footer.  
        wp_register_script('jquery', '', FALSE, '1.11.0', TRUE);  
add_action('init', 'my_init');  

Remove script and style version numbers | WordPress

Add this to functions.php

// Pick out the version number from scripts and styles
function remove_version_from_style_js( $src ) {
    if ( strpos( $src, 'ver=' . get_bloginfo( 'version' ) ) )
        $src = remove_query_arg( 'ver', $src );
    return $src;
add_filter( 'style_loader_src', 'remove_version_from_style_js');
add_filter( 'script_loader_src', 'remove_version_from_style_js');

Echo thumbnail URL and size | WordPress

Use the PHP in the query below – and then the HTML example below to echo the URL out.

the_post_thumbnail_url();                  // without parameter -> 'post-thumbnail'
the_post_thumbnail_url( 'thumbnail' );       // Thumbnail (default 150px x 150px max)
the_post_thumbnail_url( 'medium' );          // Medium resolution (default 300px x 300px max)
the_post_thumbnail_url( 'large' );           // Large resolution (default 640px x 640px max)
the_post_thumbnail_url( 'full' );            // Full resolution (original size uploaded)
the_post_thumbnail_url( array(100, 100) );  // Other resolutions

Remove emoji code in header | WordPress

Add to functions.php

remove_action('wp_head', 'print_emoji_detection_script', 7);
remove_action('wp_print_styles', 'print_emoji_styles');

remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
remove_action( 'admin_print_styles', 'print_emoji_styles' );

Change ellipses on excerpt | WordPress

Add to functions.php file.

function ld_new_excerpt_more($more) {
    global $post;
    return '...';
add_filter('excerpt_more', 'ld_new_excerpt_more');

Custom search form for WordPress

Create a file named searchform.php and place this in the root of the theme folder. This will replace the default WordPress search form.

<form role="search" method="get" class="search-form" action="<?php echo home_url( '/' ); ?>">
    <input type="text" placeholder="<?php echo esc_attr_x( 'Search website...', 'placeholder' ) ?>"
            value="<?php echo get_search_query() ?>" name="s"
            title="<?php echo esc_attr_x( 'Search for:', 'label' ) ?>"/>

Exclude current post from WordPress query

Get the current page ID and use that in the WordPress query to exclude that post from displaying.

<?php $currentID = get_the_ID();?>

<?php $args = array(
	'post_type' => 'post',
	'post__not_in' => array($currentID)

$query = new WP_Query($args);

 $i = 1;

while ( $query->have_posts() ) : $query-> the_post(); ?>