- print_r: documentation ( source)
<?php
function array_pluck($key, $input) {
if (is_array($key) || !is_array($input)) return array();
$array = array();
foreach($input as $v) {
if(array_key_exists($key, $v)) $array[]=$v[$key];
}
return $array;
}
$testArray = array('test' => array('a' => array('percy', 'a' => 'mitch'), 'b', 'c'));
$res = array_pluck('a', $testArray);
print_r($res);