3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('b' => 2, 'a' => 1, 'c' => 3); $b = array('c' => 3, 'b' => 2, 'a' => 1) var_dump(array_combine($a, $b));
Output for 5.4.0 - 5.4.22
Parse error: syntax error, unexpected 'var_dump' (T_STRING) in /in/7qZXG on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_STRING in /in/7qZXG on line 6
Process exited with code 255.
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176.99 ms | 1395 KiB | 58 Q