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run code in 150+ php & hhvm versions
Bugs & Features
<?php $fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c" => "apple"); function pram_alter($array, $key) { global $params; $params=array(); echo "$$key = '$array';\n"; } array_walk($fruits, 'pram_alter'); echo print_r($params); ?>
based on atPmT
Output for 4.3.0 - 7.1.0
$d = 'lemon'; $a = 'orange'; $b = 'banana'; $c = 'apple'; Array ( ) 1