wordpress php get plugin path code example

Example 1: how to get plugin directory path in wordpress

function enqueue_scripts() {
    wp_enqueue_script( 'custom-js', plugin_dir_url( __FILE__ ) . 'js/custom.js', array( 'jquery' ), '', true );
    wp_enqueue_style( 'style-css', plugin_dir_url( __FILE__ ) . 'css/style.css' );
}
add_action( 'wp_enqueue_scripts', 'enqueue_scripts');
 
function admin_enqueue_scripts() {
    wp_enqueue_script( 'custom-js', plugin_dir_url( __FILE__ ) . 'js/custom.js', array( 'jquery' ), '', true );
    wp_enqueue_style( 'style-css', plugin_dir_url( __FILE__ ) . 'css/style.css' );
}
add_action( 'admin_enqueue_scripts', 'admin_enqueue_scripts');

Example 2: how to get plugin directory path in wordpress

define( 'MY_PLUGIN_PATH', plugin_dir_path( __FILE__ ) );
include( MY_PLUGIN_PATH . 'includes/admin-page.php');
include( MY_PLUGIN_PATH . 'includes/classes.php');
// etc.