WordPress toCustom Code Migration

<?php
// WordPress approach - Bloated plugin-dependent architecture
function acme_shop_init() {
  // Load WooCommerce plugin
  if (!class_exists('WooCommerce')) {
    // Error: WooCommerce not active
  }
  
  // Load page builder
  if (!function_exists('elementor_load_plugin_textdomain')) {
    // Error: Elementor not active
  }
  
  // Load SEO plugin
  if (!function_exists('wpseo_init')) {
    // Warning: Yoast SEO not active
  }
  
  // Load caching plugin
  if (!class_exists('WP_Rocket')) {
    // Cache not configured
  }
  
  // Hook into 15+ filter chains
  add_filter('the_content', 'acme_filter_content');
  add_filter('woocommerce_product_tabs', 'acme_product_tabs');
  // ... dozens more hooks and filters
  
  // Add shortcodes that mix content and presentation
  add_shortcode('acme_product', 'acme_product_shortcode');
}
add_action('init', 'acme_shop_init');
  
// Mixed presentation and logic
function acme_product_shortcode($atts) {
  $args = shortcode_atts(array(
    'id' => 0,
    'layout' => 'grid',
  ), $atts);
  
  // Database query through WP abstraction
  $product = wc_get_product($args['id']);
  
  // HTML mixed with PHP output
  $output = '<div class="product-showcase">';
  $output .= '<h3>' . $product->get_title() . '</h3>';
  // ... more HTML mixed with PHP
  $output .= '</div>';
  
  return $output;
}
?>