3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function get_numerics ($str) { preg_match_all('/\d+/', $str, $matches); return $matches[0]; } $one = 'foo bar 4.2 baz (5,7 qux quux)'; $two = 'bar baz 2 bar'; $three = 'qux bar 12 quux (3 foo)'; $four = 'foo baz 3 bar (13 quux foo)'; var_dump(get_numerics($one)); print_r(get_numerics($two)); print_r(get_numerics($three)); print_r(get_numerics($four));
based on VqpTh
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
array(4) { [0]=> string(1) "4" [1]=> string(1) "2" [2]=> string(1) "5" [3]=> string(1) "7" } Array ( [0] => 2 ) Array ( [0] => 12 [1] => 3 ) Array ( [0] => 3 [1] => 13 )