3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = [1, 2, 3]; var_dump($x);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/L2CjC on line 3
Process exited with code 255.

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