- print_r: documentation ( source)
- array_walk: documentation ( source)
<?php
$recursiveClosure = function(...$args) use(&$recursiveClosure) {
array_walk($args, function($arg) use($recursiveClosure) {
if (is_array($arg)) {
call_user_func_array($recursiveClosure, $arg);
}else{
print_r($arg);
}
});
};
$recursiveClosure([1,2,3],4,5,[6,7]);