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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"]);
   }
}
?>


???? ??
||
<?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"]); } } ?>