3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 1 && 2 && 1 && 0; $foo++; echo ($foo === false) ? 'false' : 'true';
Output for 8.3.0 - 8.3.6
Warning: Increment on type bool has no effect, this will change in the next major version of PHP in /in/4jmXk on line 5 false
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
false

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116.52 ms | 402 KiB | 89 Q