3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'sanitize: ', var_export(filter_var(' 0.00 ', FILTER_SANITIZE_NUMBER_FLOAT), true), "\n"; echo 'validate: ', var_export(filter_var('', FILTER_VALIDATE_FLOAT), true);

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38.36 ms | 402 KiB | 5 Q