Email检测,密码重复检测,可以用于表单发送的各种环境，例如发送反馈，注册帐号
复制代码 代码如下:
<div>
<?if( isset($_POST['send']) && (!validateName($_POST['name']) || !validateEmail($_POST['email']) || !validatePasswords($_POST['pass1'], $_POST['pass2']) || !validateMessage($_POST['message']) ) ):?>
<div>
<ul>
<?if(!validateName($_POST['name'])):?>
<li><strong>Invalid Name:</strong> We want names with more than 3 letters!</li>
<?endif?>
<?if(!validateEmail($_POST['email'])):?>
<li><strong>Invalid E-mail:</strong> Stop cowboy! Type a valid e-mail please :P</li>
<?endif?>
<?if(!validatePasswords($_POST['pass1'], $_POST['pass2'])):?>
<li><strong>Passwords are invalid:</strong> Passwords doesn't match or are invalid!</li>
<?endif?>
<?if(!validateMessage($_POST['message'])):?>
<li><strong>Ivalid message:</strong> Type a message with at least with 10 letters</li>
<?endif?>
</ul>
</div>
<?elseif(isset($_POST['send'])):?>
<div>
<ul>
<li><strong>Congratulations!</strong> All fields are OK ;)</li>
</ul>
</div>
<?endif?>
<form method="post" action="">
<div>
<label for="name">Name</label>
<input type="text" />
<span>What's your name?</span>
</div>
<div>
<label for="email">E-mail</label>
<input type="text" />
<span>Valid E-mail please, you will need it to log in!</span>
</div>
<div>
<label for="pass1">Password</label>
<input type="password" />
<span>At least 5 characters: letters, numbers and '_'</span>
</div>
<div>
<label for="pass2">Confirm Password</label>
<input type="password" />
<span>Confirm password</span>
</div>
<div>
<label for="message">Message</label>
<textarea cols="" rows=""></textarea>
</div>
<div>
<input type="submit" value="Send" />
</div>
</form>
</div>
validation.php
复制代码 代码如下: