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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 baz (5 qux quux)'; $two = 'bar baz 2 bar'; $three = 'qux bar 12 quux (3 foo)'; $four = 'foo baz 3 bar (13 quux foo)'; $test = get_numerics($one); echo $test[3];
based on eTT0s
Output for 5.6.0 - 5.6.30, 7.0.0 - 7.3.0rc3
Notice: Undefined offset: 3 in /in/t4Wic on line 14
Output for hhvm-3.15.4
Notice: Undefined index: 3 in /in/t4Wic on line 14