- array_walk: documentation ( source)
<?php
class a {
public function b($x = [1,2,3,4]) {
echo __METHOD__, PHP_EOL;
echo __FUNCTION__, PHP_EOL;
if (is_array($x)) {
array_walk($x, __METHOD__);
} else {
echo $x;
}
}
}
$b = new a();
$b->b();