PHP ???? - ?? ??? ? URL
PHP - ?? ??
?? ??? ?? ??? ??? ??? ???? ??? ??? ??? ???? ?????. ?? ????? ??? ?? ???? ?????
$name = test_input($_POST["name"]);
if (!preg_match("/^[a-zA-Z) ]*$/ ",$name)) {
$nameErr = "??? ??? ?????.";
}
PHP - ?? ???
?? ??? ??? ??? ????? ??? ???? ?????. ??? ??? ??? ?? ?? ???? ?????:
$email = test_input($_POST["email"]);
if (!preg_match("/([w- ]+@ [w-]+.[w-]+)/",$email)) {
$emailErr = "??? ??? ??";
}
PHP - URL ??
?? ??? URL ??? ???? ?????(?? ?? ??? ?? URL?? ??: "-"? ???). ??? ?? ??? ?????. ??:
$website = test_input($_POST["website"]);
if (!preg_match("/b(?:(?:https?| ftp)://|www.)[-a-z0-9+&@#/%?=~_|!:,.;]*[-a-z0-9+&@#/%=~_ |]/i",$website )) {
$websiteErr = "??? URL ??";
}
PHP - ??, ???, URL ??
<?php // 定義變量并默認(rèn)設(shè)置為空值 $nameErr = $emailErr = $genderErr = $websiteErr = ""; $name = $email = $gender = $comment = $website = ""; if ($_SERVER["REQUEST_METHOD"] == "POST") { if (empty($_POST["name"])) { $nameErr = "Name is required"; } else { $name = test_input($_POST["name"]); // 檢測(cè)名字是否只包含字母跟空格 if (!preg_match("/^[a-zA-Z ]*$/",$name)) { $nameErr = "只允許字母和空格"; } } if (empty($_POST["email"])) { $emailErr = "Email is required"; } else { $email = test_input($_POST["email"]); // 檢測(cè)郵箱是否合法 if (!preg_match("/([\w\-]+\@[\w\-]+\.[\w\-]+)/",$email)) { $emailErr = "非法郵箱格式"; } } if (empty($_POST["website"])) { $website = ""; } else { $website = test_input($_POST["website"]); // 檢測(cè) URL 地址是否合法 if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i",$website)) { $websiteErr = "非法的 URL 的地址"; } } if (empty($_POST["comment"])) { $comment = ""; } else { $comment = test_input($_POST["comment"]); } if (empty($_POST["gender"])) { $genderErr = "性別是必需的"; } else { $gender = test_input($_POST["gender"]); } } ?>