PHP Class autoload

autoload

<?php
// classes/greatings.php

namespace Classes;

class Greatings {

    function hello() {
        return "Successfully called Greatings";
    }
    
}
?>


<?php
//index.php

namespace Classes;


function my_autoloader($class) {

  if ( false === strpos( $class, __NAMESPACE__ ) ) {
		return;
	}

    $class_name = preg_replace( '/^' . __NAMESPACE__ . '\\\/', '', $class );
    require_once __DIR__ . '/classes/' . strtolower( $class_name ) . '.php';
}

spl_autoload_register(__NAMESPACE__.'\my_autoloader');

$greatings = new Greatings;
echo $greatings->hello();

?>