3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array("either","eight","einstein","eighth"); $keys = array_fill(0, count($array), 'name'); $new_array = array_combine($keys, $array); print_r($array); print_r($new_array);
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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 - 8.3.6
Array ( [0] => either [1] => eight [2] => einstein [3] => eighth ) Array ( [name] => eighth )
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_combine() in /in/4KIRL on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: array_combine() in /in/4KIRL on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_combine() in /in/4KIRL on line 4
preferences:
315.59 ms | 401 KiB | 457 Q