Online PHP editor | refs for WmImt

<?php function extend($base, $replacements) { $base = !is_array($base) ? array() : $base; $replacements = !is_array($replacements) ? array() : $replacements; $ret = array(); foreach ($base as $key => $val) { if (is_int($key)) { // value without key $ret[$val] = null; } else { $ret[$key] = $val; } } return array_replace_recursive($ret, $replacements); } var_dump(extend(array('foo' => 'bar'), array('bar' => 'baz'))); var_dump(extend(array('foo' => 'bar'), array('foo' => 'foo'))); var_dump(extend(array('bar' => 'baz'), array('bar' => 'bar'))); var_dump(extend(array('foo' => 'bar')), array()); var_dump(extend(array('bar' => 'baz')), array());