PHP foreach 循环跳过本次循环

$a = [
            ['id'=>1],['id'=>2],['id'=>3],['id'=>4],['id'=>5],['id'=>6],['id'=>7],['id'=>18],
        ];
        foreach($a as $v){
            if($v['id'] == 5){
                continue;
            }
            $b[] = $v['id'];
        }
        return show_data('',$b);

 结果：