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run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = array(1, "apples",2, "oranges",3, "plums"); // array_filter() $lambda = function( $item ) { if ( ctype_alpha($item) ) { return true; } }; $filtered = array_filter( $array, $lambda); var_dump($filtered); // using array_map() $callback = function($item) { return strtoupper($item); }; $nu = array_map( $callback, $array); var_dump($nu); // array_walk() $f = function(&$item,$key,$prefix) { $item = "$prefix: $item"; }; array_walk($array, $f, 'phun'); var_dump($array);
Output for 5.3.0 - 7.1.0
array(3) { [1]=> string(6) "apples" [3]=> string(7) "oranges" [5]=> string(5) "plums" } array(6) { [0]=> string(1) "1" [1]=> string(6) "APPLES" [2]=> string(1) "2" [3]=> string(7) "ORANGES" [4]=> string(1) "3" [5]=> string(5) "PLUMS" } array(6) { [0]=> string(7) "phun: 1" [1]=> string(12) "phun: apples" [2]=> string(7) "phun: 2" [3]=> string(13) "phun: oranges" [4]=> string(7) "phun: 3" [5]=> string(11) "phun: plums" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/CIH8m on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/CIH8m on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/CIH8m on line 5
Process exited with code 255.