3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function get_numerics ($str) { preg_match_all('[0-9.-]', $str, $matches); return $matches[0]; } $one = 'foo bar 4 baz (5 qux quux)'; $two = 'bar baz 2 bar'; $three = 'qux bar 12 quux (3 foo)'; $four = 'foo baz 3 bar (13 quux foo)'; $five = 'foo baz 3.2 bar (13.9 quux foo)'; print_r(get_numerics($one)); print_r(get_numerics($two)); print_r(get_numerics($three)); print_r(get_numerics($four)); print_r(get_numerics($five));
based on 3TPuR
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0beta1
Array ( ) Array ( ) Array ( ) Array ( ) Array ( )