如何正确验证邮箱格式，避免常见错误？
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本文共计76个文字，预计阅读时间需要1分钟。
php
<?php 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 $_POST['email']; ?> "> <input type="submit" value="Check Email"> </form>
本文共计76个文字，预计阅读时间需要1分钟。
php
<?php if(isset($_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>