CF7 plugin assets (wordpress)

Selectively enqueue Contact Form 7 plugin assets.

<?php
/**
 * Selectively enqueue Contact Form 7 plugin assets.
 * Disables global CF7 loading; enqueues only when a form is detected.
 * Checks singular post content only; does not detect forms in widgets or sidebars.
 */
if (class_exists('WPCF7')) {
  add_filter('wpcf7_load_js', '__return_false');
  add_filter('wpcf7_load_css', '__return_false');

  add_action('wp_enqueue_scripts', function() {
    if (!is_singular()) {
      return;
    }
    $post = get_post();
    if (!$post) {
      return;
    }
    $has_form = has_shortcode($post->post_content, 'contact-form-7')
      || (function_exists('has_block') && has_block('contact-form-7/contact-form-selector', $post))
      || !empty(get_post_meta($post->ID, 'contact_form', true));
    if ($has_form) {
      if (function_exists('wpcf7_enqueue_scripts')) {
        wpcf7_enqueue_scripts();
      }
      if (function_exists('wpcf7_enqueue_styles')) {
        wpcf7_enqueue_styles();
      }
    }
  });
}
?>

functions.php

< toolbox