删除数组中值为空的项
$arr = array( '0' => 'a', '1' => '', '2' => 'b', ); $arr = array_filter($arr, create_function('$v', 'return !empty($v);')); print_r( $arr );
$arr = array( '0' => 'a', '1' => '', '2' => 'b', ); $arr = array_filter($arr, create_function('$v', 'return !empty($v);')); print_r( $arr );