3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array("", "", "", "", "", "", ""); function arrayIsEmpty ($arr) { $emptyCount = 0; foreach ($arr as $item) { if (empty($item)) { $emptyCount++; } } return $emptyCount === 7; } var_dump(arrayIsEmpty($arr));

preferences:
64.12 ms | 402 KiB | 5 Q