How to add PHP data to the wp_enqueue_script JavaScript file.07.10.25

How to add PHP data to the wp_enqueue_script JavaScript file.
you can use wp_localize_script - addjsdata
```
Real Example: Passing Nonce + AJAX URL to JS

function mg_enqueue_ajax_script() {
    wp_enqueue_script(
        'mg-ajax',
        get_template_directory_uri() . '/assets/js/ajax.js',
        ['jquery'],
        '1.0',
        true
    );

wp_localize_script( 'mg-ajax', 'mgData', [
        'ajaxUrl' => admin_url( 'admin-ajax.php' ),
        'nonce'   => wp_create_nonce( 'mg_ajax_nonce' ),
        'siteUrl' => get_site_url(),
        'greeting' => __( 'Hello from PHP!', 'mg-textdomain' ),
    ] );
}
add_action( 'wp_enqueue_scripts', 'mg_enqueue_ajax_script' );

Your JS will now have access to a global object:

console.log(mgData.ajaxUrl);   // "/wp-admin/admin-ajax.php"
console.log(mgData.siteUrl);   // "https://yoursite.com"

Security Tip

Use wp_create_nonce() and verify it in your AJAX handler. This protects against CSRF:

check_ajax_referer( 'mg_ajax_nonce', 'nonce' );
```

https://mehulgohil.com/blog/how-to-enqueue-scripts-in-wordpress/

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How to add PHP data to the wp_enqueue_script JavaScript file.07.10.25

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