小璐謌.的博客

$data1 = [ [ 'time_flag'=>"10:00", 'value'=>1 ], [ 'time_flag'=>"9:50", 'value'=>2 ],];$data2 = [ [ 'time_flag'=>"10:00", 'value'=

static function array_group_by($arr, $key){ $grouped = array(); foreach ($arr as $value) { $grouped[$value[$key]][] = $value; } if (func_num_args() > 2) { $args = ...