如何从 PHP 的多维数组中删除包含空元素的行?
例如,来自:
1: a, b, c, d 2: d, _, b, a 3: a, b, _, _ 4: d, c, b, a 5: _, b, c, d 6: d, c, b, a
to
1: a, b, c, d 4: d, c, b, a 6: d, c, b, a
Thanks!
$arr = array(... your multi dimension array here ...); foreach($arr as $idx => $row) { if (preg_grep('/^$/', $row)) { unset($arr[$idx]); } }