3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "NAN < 1.0: "; var_dump(NAN < 1.0); echo "NAN <= 1.0: "; var_dump(NAN <= 1.0); echo "NAN == 1.0: "; var_dump(NAN == 1.0); echo "NAN != 1.0: "; var_dump(NAN != 1.0); echo "NAN === 1.0: "; var_dump(NAN === 1.0); echo "NAN !== 1.0: "; var_dump(NAN !== 1.0); echo "NAN > 1.0: "; var_dump(NAN > 1.0); echo "NAN >= 1.0: "; var_dump(NAN >= 1.0);

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40.83 ms | 402 KiB | 5 Q