<?php $x=0; if (filter_var($x,FILTER_VALIDATE_FLOAT)!==false) { echo"$xis a valid float"; } else { echo"$xis NOT a valid float"; } ?> up down -7 Luuk¶ 8 years ag...
<?php $x=0; if (filter_var($x,FILTER_VALIDATE_FLOAT)!==false) { echo"$xis a valid float"; } else { echo"$xis NOT a valid float"; } ?> up down -7 Luuk¶ 8 years ag...