gnikolopoulos

<?php

function remove_cssjs_querystring( $src ) {
  if( strpos( $src, '?rev=' ) ) // copy/paste this line and the next one to take away what you want from the end of your css/js
    $src = remove_query_arg( 'rev', $src );
  if( strpos( $src, '?ver=' ) )
    $src = remove_query_arg( 'ver', $src );
  return $src;
}
add_filter( 'style_loader_src', 'remove_cssjs_querystring', 10, 2 );

gnikolopoulos

<?php

function defer_js_async($tag){

  // scripts to defer.
  $scripts_to_defer = array('script-name1.js', 'script-name2.js', 'script-name3.js');
  // scripts to async.
  $scripts_to_async = array('script-name1.js', 'script-name2.js', 'script-name3.js');
 
  foreach($scripts_to_defer as $defer_script){

gnikolopoulos

<?php

header('Content-type: text/css');
ob_start("compress");

    function compress( $minify ) 
    {
    /* remove comments */
        $minify = preg_replace( '!/\*[^*]*\*+([^/][^*]*\*+)*/!', '', $minify );

gnikolopoulos

<?php

function switch_homepage() {
    if ( is_user_logged_in() ) {
        $page = 2516; // for logged in users
        update_option( 'page_on_front', $page );
        update_option( 'show_on_front', 'page' );
    } else {
        $page = 2; // for logged out users
        update_option( 'page_on_front', $page );

gnikolopoulos

/**
 * Gets Variation ID if available otherwise it will get the Product ID
 * @param $product Product
 * @param bool $check_variations Whether or not to check for variation IDs
 * @return mixed
 */
function get_id_from_product( $product, $check_variations = false ) {
    if( $check_variations ) {
        return ( isset( $product['variation_id'] )
            && ! empty( $product['variation_id'])

gnikolopoulos

add_action( 'woocommerce_cart_calculate_fees','woocommerce_surcharge' );
function woocommerce_surcharge() {
  global $woocommerce;
        if ( is_admin() && ! defined( 'DOING_AJAX' ) )
                return;
        $percentage = 0.01;
        $surcharge = ( $woocommerce->cart->cart_contents_total + $woocommerce->cart->shipping_total ) * $percentage;    
        $woocommerce->cart->add_fee( 'Surcharge', $surcharge, true, '' );

}

gnikolopoulos

add_action('save_post', 'custom_check_thumbnail');
add_action('admin_notices', 'custom_thumbnail_error');
function custom_check_thumbnail($post_id) {

  // change to any custom post type
  if(get_post_type($post_id) != 'post')
  return;

  if ( !has_post_thumbnail( $post_id ) ) {
    // set a transient to show the users an admin message

gnikolopoulos

<?php

// Display product video instead of image/slider
function woocommerce_show_product_images() {

    // Get video and display
    if ( $video = get_post_meta( get_the_ID(), 'product_post_video', true ) ) {

        // Sanitize video URL
        $video = esc_url( $video );

gnikolopoulos

<?php

/*  Add responsive container to embeds
/* ------------------------------------ */ 
function id_embed_html( $html ) {
    return '<div class="video-container">' . $html . '</div>';
}
 
add_filter( 'embed_oembed_html', 'id_embed_html', 10, 3 );
add_filter( 'video_embed_html', 'id_embed_html' ); // Jetpack

gnikolopoulos

<?php

if( !function_exists('id_fix_shortcodes') ) {
	function id_fix_shortcodes($content){
		$array = array (
			'<p>[' => '[',
			']</p>' => ']',
			']<br />' => ']'
		);
		$content = strtr($content, $array);