3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array("person1" => array(0 => array('k1'=>'v1', 'k2'=>'v2'), 1 => array('k1'=>'v1', 'k2'=>'v2')), "person2" => array(0 => array('k1'=>'v1', 'k2'=>'v2'), 1 => array('k1'=>'v1', 'k2'=>'v2'))); $reset = reset($array); echo $reset[0]['k1']; echo array_flip($array);
based on HhL2V
Output for 5.4.0 - 7.1.0
v1 Warning: array_flip(): Can only flip STRING and INTEGER values! in /in/3821q on line 5 Warning: array_flip(): Can only flip STRING and INTEGER values! in /in/3821q on line 5 Notice: Array to string conversion in /in/3821q on line 5 Array
Output for 4.3.2 - 5.3.29
v1 Warning: array_flip(): Can only flip STRING and INTEGER values! in /in/3821q on line 5 Warning: array_flip(): Can only flip STRING and INTEGER values! in /in/3821q on line 5 Array
Output for 4.3.0 - 4.3.1
v1 Warning: array_flip() [http://www.php.net/function.array-flip]: Can only flip STRING and INTEGER values! in /in/3821q on line 5 Warning: array_flip() [http://www.php.net/function.array-flip]: Can only flip STRING and INTEGER values! in /in/3821q on line 5 Array