- str_repeat: documentation ( source)
<?php
function arrayStack( $array, $dash ){
foreach($array as $value){
if(isset($value['id'])){
echo str_repeat("-", $dash).$value['id'].'<br/>';
}else{
$dash++;
arrayStack( $value, $dash );
$dash--;
}
}
}
arrayStack( $myArray, 0 );