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'; echo $n->$d['und'][0]['value'];
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
12345
Output for 5.4.0 - 5.6.28
Warning: Illegal string offset 'und' in /in/jUjXn on line 7 Warning: Illegal string offset 'value' in /in/jUjXn on line 7 Notice: Undefined property: stdClass::$d in /in/jUjXn on line 7
Output for 5.0.0 - 5.3.29
Fatal error: Cannot use string offset as an array in /in/jUjXn on line 7
Process exited with code 255.
Output for 4.3.0 - 4.4.9
Notice: Undefined property: in /in/jUjXn on line 7