定义和用法

FILTER_VALIDATE_EMAIL 过滤器把值作为电子邮件地址来验证。

1. Name: "validate_email"
2. 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";
 }
?>

输出：

E-mail is not valid