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我想重構這段代碼,它從一個表單輸入,然後清理輸入,然後檢查它是空的還是太短。它爲標題,內容和標籤執行此操作。它存儲一個名爲errors的數組中遇到的錯誤。重構php過濾器/驗證
我想要的功能,這樣的事情:
function validate_input($args)
除了我不確定爲我如何去實現它,以及它如何會建立一個錯誤列表。
(我知道我可以使用PEAR QUICKFORM或php-form-builder-class之類的東西,所以請不要提及'哦使用Class xyz')。
$title = filter_input(INPUT_POST, 'thread_title', FILTER_SANITIZE_STRING,
array('flags' => FILTER_FLAG_STRIP_HIGH|FILTER_FLAG_STRIP_LOW));
$content = filter_input(INPUT_POST, 'thread_content');
$tags = filter_input(INPUT_POST, 'thread_tags');
# title here:
if (is_null($title) || $title == "") # is_null on its own returns false for some reason
{
$errors['title'] = "Title is required.";
}
elseif ($title === false)
{
$errors['title'] = "Title is invalid.";
}
elseif (strlen($title) < 15)
{
$errors['title'] = "Title is too short, minimum is 15 characters (40 chars max).";
}
elseif (strlen($title) > 80)
{
$errors['title'] = "Title is too long, maximum is 80 characters.";
}
# content starts here:
if (is_null($content) || $content == "")
{
$errors['content'] = "Content is required.";
}
elseif ($content === false)
{
$errors['content'] = "Content is invalid.";
}
elseif (strlen($content) < 40)
{
$errors['content'] = "Content is too short, minimum is 40 characters."; # TODO: change all min char amounts
}
elseif (strlen($content) > 800)
{
$errors['content'] = "Content is too long, maximum is 800 characters.";
}
# tags go here:
if (is_null($tags) || $tags == "")
{
$errors['tags'] = "Tags are required.";
}
elseif ($title === false)
{
$errors['tags'] = "Content is invalid.";
}
elseif (strlen($tags) < 3)
{
$errors['tags'] = "Atleast one tag is required, 3 characters long.";
}
var_dump($errors);