3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(array $a) {$a[1] = 1;return $a}; print_r(foo(array(1,2,3)));
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.19
Parse error: syntax error, unexpected '}' in /in/7aHqQ on line 2
Process exited with code 255.
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179.67 ms | 1395 KiB | 55 Q