3v4l.org

run code in 300+ PHP versions simultaneously
<?php $source = [ 0=>[ ['foo'=>['bar']]], 1=>[ ['biz'=>'baz'], ['a'=>'b']] ]; $return = []; $return =call_user_func_array('array_merge', $source) var_dump($return);
Output for 5.4.0 - 5.4.40, 5.5.24, 5.6.8
Parse error: syntax error, unexpected 'var_dump' (T_STRING) in /in/fSUJt on line 14
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/fSUJt on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/fSUJt on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/fSUJt on line 3
Process exited with code 255.
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211.59 ms | 1395 KiB | 132 Q