3v4l.org

run code in 300+ PHP versions simultaneously
<?php $strings = ['', 'asdasda', '1sdkjfhs', '123asdj', '1-1kjahsd']; foreach($strings as $string) { var_dump($string == 0, $string === 0, (int)$string, $string); echo PHP_EOL; }

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44.99 ms | 402 KiB | 5 Q