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.'));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true)
preferences:
232.95 ms | 406 KiB | 457 Q