Online PHP editor | output for QTXs2

@ 2016-06-30T17:31:24Z

<?php
error_reporting(E_ALL);

class Mage {
    public static function dispatchEvent($args)
    {
        $observer = new stdClass(); 
        $observer->data = $args;
        $vars = $observer->data['vars'];
        $vars['order'] = '#1000000123';
    }
}

$vars = array();

Mage::dispatchEvent(array('vars' => $vars));
print_r($vars);

Mage::dispatchEvent(array('vars' => &$vars));
print_r($vars);

Output for 5.5.0 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Array ( ) Array ( )
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( ) Array ( )

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