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Bugs & Features
<?php function rev($str) { if ( ! $str ) { return; } return rev(substr($str,1)) . $str{0}; } function sum($arr) { if ( ! sizeof($arr) ) { return; } return sum(array_shift($arr)) + $arr[0]; } echo sum(array(5,4,7,8,9,3)); echo rev('hola mundos ninos');
Output for 5.3.7 - 7.1.0
Warning: array_shift() expects parameter 1 to be array, integer given in /in/lgcO7 on line 13 4sonin sodnum aloh