3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match_all('~([a-z])([0-9])~', 'b53d34', $matches); print_r($matches); print str_repeat('=-', 42); preg_match_all('~([a-z])([0-9])~', 'b53d34', $matches, PREG_OFFSET_CAPTURE); print_r($matches);
Output for 4.3.3 - 7.1.0
Array ( [0] => Array ( [0] => b5 [1] => d3 ) [1] => Array ( [0] => b [1] => d ) [2] => Array ( [0] => 5 [1] => 3 ) ) =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-Array ( [0] => Array ( [0] => Array ( [0] => b5 [1] => 0 ) [1] => Array ( [0] => d3 [1] => 3 ) ) [1] => Array ( [0] => Array ( [0] => b [1] => 0 ) [1] => Array ( [0] => d [1] => 3 ) ) [2] => Array ( [0] => Array ( [0] => 5 [1] => 1 ) [1] => Array ( [0] => 3 [1] => 4 ) ) )
Output for 4.3.0 - 4.3.2
Array ( [0] => Array ( [0] => b5 [1] => d3 ) [1] => Array ( [0] => b [1] => d ) [2] => Array ( [0] => 5 [1] => 3 ) ) =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Warning: Wrong value for parameter 4 in call to preg_match_all() in /in/KaZJv on line 8 Array ( [0] => Array ( [0] => b5 [1] => d3 ) [1] => Array ( [0] => b [1] => d ) [2] => Array ( [0] => 5 [1] => 3 ) )