3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = ['abacaxi' => 1, 'Acai' => 2, '(Outros' => 3]; $a = natsort(array_keys($a)); var_dump($a);
based on EuRtt
Output for 7.0.0 - 7.2.0
Notice: Only variables should be passed by reference in /in/Rd1Sl on line 4 bool(true)
Output for 5.4.10 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/Rd1Sl on line 4 bool(true)
Output for 5.3.20 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/Rd1Sl on line 3
Process exited with code 255.