_n( '%s person', '%s people', $count, 'text-domain' )<?php echo wp_kses_data( _n( '%d', '%d', WC()->cart->get_cart_contents_count() ); ?>function add_async_attribute( $tag, $handle ) {
    if ( 'my-js-handle' !== $handle ) {
        return $tag;
    }
    return str_replace( ' src', ' async="async" src', $tag );
}
add_filter('script_loader_tag', 'add_async_attribute', 10, 2);function add_async_attribute( $tag, $handle ) {
    // handles скриптов, которым нужен атрибут async
    $scripts_to_async = array(
        'my-js-handle', 
        'another-handle',
    );
   
   foreach( $scripts_to_async as $async_script ) {
      if ( $async_script === $handle ) {
         return str_replace( ' src', ' async="async" src', $tag );
      }
   }
   return $tag;
}
add_filter( 'script_loader_tag', 'add_async_attribute', 10, 2 );add_post_meta()
update_post_meta()
get_post_meta()
delete_post_meta()// Javascript: email
/^[-a-z0-9~!$%^&*_=+}{\'?]+(\.[-a-z0-9~!$%^&*_=+}{\'?]+)*@([a-z0-9_][-a-z0-9_]*(\.[-a-z0-9_]+[a-z][a-z])|([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}))(:[0-9]{1,5})?$/i// Javascript: phone
^(?:(?:\+?1\s*(?:[.-]\s*)?)?(?:\(\s*([2-9]1[02-9]|[2-9][02-8]1|[2-9][02-8][02-9])\s*\)|([2-9]1[02-9]|[2-9][02-8]1|[2-9][02-8][02-9]))\s*(?:[.-]\s*)?)?([2-9]1[02-9]|[2-9][02-9]1|[2-9][02-9]{2})\s*(?:[.-]\s*)?([0-9]{4})(?:\s*(?:#|x\.?|ext\.?|extension)\s*(\d+))?$<div class="<?php echo ( get_the_content() ) ? 'full' : 'empty'; ?>">
...
</div>(function($){
    /**
     * Immediate execution
     */
    console.log();
    
    /**
     * When DOM is ready
     */
    $(document).ready(function(){
    
    });
    
    /**
     * When all content is loaded
     */
    $(window).load(function(){
    }); // window.load END
})(jQuery);