3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $n = new stdClass(); $n->dog = array(); $n->dog['und'][0]['value'] = '12345'; $d = 'dog'; //print_r($n->$d['und']);//['und'][0]['value']; echo array_keys($n->$d);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Array to string conversion in /in/VZ1kQ on line 8 Array
Output for 4.3.0 - 5.3.29
Array