3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function substr_count_array($string, $arr) { foreach ($arr as $letter) $count[$letter] += substr_count($string, $letter); return $count; } $str = 'óóómaóríaéé'; print_r(substr_count_array($str, array("á","é","í","ó")));
based on pbBEc
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Notice: Undefined variable: count in /in/nBDgT on line 5 Notice: Undefined index: á in /in/nBDgT on line 5 Notice: Undefined index: é in /in/nBDgT on line 5 Notice: Undefined index: í in /in/nBDgT on line 5 Notice: Undefined index: ó in /in/nBDgT on line 5 Array ( [á] => 0 [é] => 2 [í] => 1 [ó] => 4 )
Output for hhvm-3.10.0 - 3.12.0
Array ( [á] => 0 [é] => 2 [í] => 1 [ó] => 4 )
Output for 5.1.0 - 5.2.17
Notice: Undefined index: á in /in/nBDgT on line 5 Notice: Undefined index: é in /in/nBDgT on line 5 Notice: Undefined index: í in /in/nBDgT on line 5 Notice: Undefined index: ó in /in/nBDgT on line 5 Array ( [á] => 0 [é] => 2 [í] => 1 [ó] => 4 )
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: count in /in/nBDgT on line 5 Notice: Undefined index: á in /in/nBDgT on line 5 Notice: Undefined index: é in /in/nBDgT on line 5 Notice: Undefined index: í in /in/nBDgT on line 5 Notice: Undefined index: ó in /in/nBDgT on line 5 Array ( [á] => 0 [é] => 2 [í] => 1 [ó] => 4 )
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: count in /in/nBDgT on line 5 Notice: Undefined index: á in /in/nBDgT on line 5 Notice: Undefined index: é in /in/nBDgT on line 5 Notice: Undefined index: í in /in/nBDgT on line 5 Notice: Undefined index: ó in /in/nBDgT on line 5 Array ( [á] => 0 [é] => 2 [í] => 1 [ó] => 4 )