定義和用法

FILTER_VALIDATE_EMAIL 過(guò)濾器把值作為電子郵件地址來(lái)驗(yàn)證。

• Name: "validate_email"
• ID-number: 274

例子

<?php
$email = "someone@exa mple.com";

if(!filter_var($email, FILTER_VALIDATE_EMAIL))
 {
 echo "E-mail is not valid";
 }
else
 {
 echo "E-mail is valid";
 }
?>

輸出：

E-mail is not valid