Online PHP editor | output for oBR0L

@ 2022-11-26T17:53:21Z

<?php
class Action
{
    public $callback = null;

    public function __construct(callable $callback)
    {
        $this->callback = $callback;
    }
    
    public function __call($method, $args)
	{
	    if ($method === 'callback') {
	        return call_user_func_array($this->callback, $args);
	    }
	}
}

$action = new Action(function($value) {
    // do something with $value;
    
   return $value;
});

echo $action->callback('abc');

Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1: abc
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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