3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = ['id' => 1, 'nome' => 'jacopo']; $a += ['cognome' => 'nuzzi', 'eta' => 26]; print_r($a);
Output for 5.4.0 - 7.1.0
Array ( [id] => 1 [nome] => jacopo [cognome] => nuzzi [eta] => 26 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/jWUfe on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/jWUfe on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/jWUfe on line 2
Process exited with code 255.