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run code in 500+ PHP versions simultaneously
<?php const FOO = 1; $a = '1'; switch (true) { case $a === FOO: echo '$a === FOO'; break; case $a == FOO: echo '$a == FOO'; break; }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
$a == FOO
preferences:
101.38 ms | 1910 KiB | 4 Q