3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function aa (&$i) { $i = array_combine(array_map('ucfirst', array_keys($i)), $i); } $array = array(0=>array('tekstJeden' => 'jakas wartosc')); array_walk($array,'aa');
based on SpP9t
Output for 5.0.0 - 7.3.0rc4
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_combine() in /in/3jvOA on line 2
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_combine() in /in/3jvOA on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_combine() in /in/3jvOA on line 2