3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $c = " total used free shared buffers cached\nMem: 494 383 111 0 29 200\n-/+ buffers/cache: 153 341\nSwap: 255 0 255"; preg_match("/Mem:\s+(?P<total>\d+)\s+(?P<used>\d+)\s+(?P<free>\d+)\s+(?P<shared>\d+)\s+(?P<buffers>\d+)\s+(?P<cached>\d+)/", $c ,$r); print_r($r);
Output for 4.3.3 - 7.1.0
Array ( [0] => Mem: 494 383 111 0 29 200 [total] => 494 [1] => 494 [used] => 383 [2] => 383 [free] => 111 [3] => 111 [shared] => 0 [4] => 0 [buffers] => 29 [5] => 29 [cached] => 200 [6] => 200 )
Output for 4.3.0 - 4.3.2
Array ( [0] => Mem: 494 383 111 0 29 200 [1] => 494 [2] => 383 [3] => 111 [4] => 0 [5] => 29 [6] => 200 )