3v4l.org

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<?php echo(floor(1.35,2) . "<br>"); echo(floor(0.40) . "<br>"); echo(floor(5) . "<br>"); echo(floor(5.1) . "<br>"); echo(floor(-5.1) . "<br>"); echo(floor(-5.9)); ?>

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58.49 ms | 402 KiB | 5 Q