3v4l.org

run code in 300+ PHP versions simultaneously
<?php function castToNumber($genericStringNumber) { return $genericStringNumber+0; } //$yourNumberCasted = castToNumber($yourStringNumber); function castNumber($n) { if(!is_numeric($n)) return 0; return (is_float($n)) ? (float) $n : (int) $n; } //$casted = castNumber($num_to_cast); function get_numeric($val) { if (is_numeric($val)) { return $val + 0; } return 0; } var_dump(is_numeric('12.z'));
Output for git.master, git.master_jit, rfc.property-hooks
bool(false)

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
39.85 ms | 401 KiB | 8 Q