Usefull actions for wordpres eg, remove version rom source, remove emojis scripts, enable recaptcha or contact form 7 only on specyfic pages

wp-actions.php

<?php

/**
 * Change default WP login errors message.
 */
add_filter('login_errors', function (): string {
    return 'Invalid credentials ¯\_(ツ)_/¯';
});

/**
 * Hide WP version from source code.
 */
function remove_version_scripts_styles(string $src): string
{
    if (strpos($src, 'ver=')) {
        $src = remove_query_arg('ver', $src);
    }

    return $src;
}
remove_action('wp_head', 'wp_generator');
add_filter('the_generator', '__return_empty_string');
add_filter('style_loader_src', 'remove_version_scripts_styles', 9999);
add_filter('script_loader_src', 'remove_version_scripts_styles', 9999);

/**
 * Load Contact Form 7 js and css on specific pages.
 */
add_action('wp_print_scripts', function () {
    if (!is_page(10)) {
        wp_deregister_script('contact-form-7');
    }
}, 9999);
add_action('wp_print_styles', function () {
    if (!(is_page('page id'))) {
        wp_deregister_style('contact-form-7');
    }
}, 9999);

/**
 * Remove Google ReCaptcha code/badge everywhere apart from select pages.
 */
add_action('wp_print_scripts', function () {
    if (!(is_page('page id'))) {
        wp_dequeue_script('google-recaptcha');
        wp_dequeue_script('google-invisible-recaptcha');
    }
});

/**
 * Remove Emojis.
 */
add_action('init', function ($plugins) {
    remove_action('wp_head', 'print_emoji_detection_script', 7);
    remove_action('admin_print_scripts', 'print_emoji_detection_script');
    remove_action('wp_print_styles', 'print_emoji_styles');
    remove_action('admin_print_styles', 'print_emoji_styles');
    remove_filter('the_content_feed', 'wp_staticize_emoji');
    remove_filter('comment_text_rss', 'wp_staticize_emoji');
    remove_filter('wp_mail', 'wp_staticize_emoji_for_email');

    // remove from TinyMCE
    add_filter('tiny_mce_plugins', function ($plugins) {
        if (is_array($plugins)) {
            return array_diff($plugins, array('wpemoji'));
        } else {
            return array();
        }
    });
});

/**
 * Remove wp-embed.js
 */
add_action('wp_footer', function () {
    wp_deregister_script('wp-embed');
});

/**
 * Remove jQuery.
 */
add_action('wp_enqueue_scripts', function () {
    wp_deregister_script('jquery');
});

/**
 * Remove gutenger styles.
 */
add_action('wp_print_styles', function () {
    wp_dequeue_style('wp-block-library');
});

/**
 * Remove jQuery migrate.
 */
add_filter('wp_default_scripts', function ($scripts) {
    if (!is_admin()) {
        $scripts->remove('jquery');
        $scripts->add('jquery', false, array('jquery-core'), '1.2.1');
    }
});

/**
 * Remove of styles and scripts (WooCommerce) when not in use.
 */
add_action( 'wp_enqueue_scripts', function() {
    if(function_exists('is_woocommerce') 
        && (!is_woocommerce() && !is_cart() && !is_checkout())
    ) {
        wp_dequeue_style('woocommerce-layout');
        wp_dequeue_style('woocommerce-general');
        wp_dequeue_style('woocommerce-smallscreen');
        wp_dequeue_style('woocommerce-inline');
        wp_dequeue_style('wc-block-style');

        wp_dequeue_script('wc-cart-fragments');
        wp_dequeue_script('woocommerce');
        wp_dequeue_script('wc-add-to-cart');
        wp_dequeue_script('cart-widget');
        wp_dequeue_script('wcml-front-scripts');
    }
}, 9999);