Minifikacja CSS i JavaScript w WordPressie za pomocą funkcji PHP

Kod

<?php
// Function to minify CSS
function wp_dudecom_minify_css($css) {
    // Remove comments, whitespace, and unnecessary characters
    $css = preg_replace('/\/\*.*?\*\//s', '', $css);
    $css = preg_replace('/\s*([{}|:;,])\s+/', '$1', $css);
    $css = preg_replace('/\s\s+(.*)/', '$1', $css);
    $css = str_replace(';}', '}', $css);
    return trim($css);
}

// Function to minify JavaScript
function wp_dudecom_minify_js($js) {
    // Remove comments, whitespace, and unnecessary characters
    $js = preg_replace('/\/\*.*?\*\//s', '', $js);
    $js = preg_replace('/\s*([{}|:;,])\s+/', '$1', $js);
    $js = preg_replace('/\s\s+(.*)/', '$1', $js);
    return trim($js);
}

// Hook to minify CSS and JS files
function wp_dudecom_enqueue_minified_assets() {
    // Get the theme directory URI
    $theme_uri = get_template_directory_uri();

    // Minify and enqueue CSS
    $css_file = file_get_contents($theme_uri . '/style.css');
    $minified_css = wp_dudecom_minify_css($css_file);
    wp_register_style('wp-dudecom-minified-style', false);
    wp_enqueue_style('wp-dudecom-minified-style');
    wp_add_inline_style('wp-dudecom-minified-style', $minified_css);

    // Minify and enqueue JavaScript
    $js_file = file_get_contents($theme_uri . '/script.js');
    $minified_js = wp_dudecom_minify_js($js_file);
    wp_register_script('wp-dudecom-minified-script', false);
    wp_enqueue_script('wp-dudecom-minified-script');
    wp_add_inline_script('wp-dudecom-minified-script', $minified_js);
}

add_action('wp_enqueue_scripts', 'wp_dudecom_enqueue_minified_assets');
?>