经测试代码如下:
@H_502_4@ <?PHP /** * 校验邮箱地址 * * @param * @arrange (512.笔记) jb51.cc **/ if(isset($_POST['email'])){ $email = $_POST['email']; if(filter_var($email,FILTER_VALIDATE_EMAIL)){ echo '<p>This is a valid email.<p>'; }else{ echo '<p>This is an invalid email.</p>'; } } ?> <form action="" method="post"> Email: <input type="text" name="email" value=" <?PHP echo $_POST['email']; ?> "> <input type="submit" value="Check Email"> </form> /*** 来自编程之家 jb51.cc(jb51.cc) ***/原文链接:https://www.f2er.com/php/528983.html