复制代码 代码如下:

<div id=\"container\"> 
        <?if( isset($_POST[\'send\']) && (!validateName($_POST[\'name\']) || !validateEmail($_POST[\'email\']) || !validatePasswords($_POST[\'pass1\'], $_POST[\'pass2\']) || !validateMessage($_POST[\'message\']) ) ):?> 
                <div id=\"error\"> 
                    <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 id=\"error\" class=\"valid\"> 
                    <ul> 
                        <li><strong>Congratulations!</strong> All fields are OK ;)</li> 
                    </ul> 
                </div> 
        <?endif?> 

        <form method=\"post\" id=\"customForm\" action=\"\"> 
            <div> 
                <label for=\"name\">Name</label> 
                <input id=\"name\" name=\"name\" type=\"text\" /> 
                <span id=\"nameInfo\">What\'s your name?</span> 
            </div> 
            <div> 
                <label for=\"email\">E-mail</label> 
                <input id=\"email\" name=\"email\" type=\"text\" /> 
                <span id=\"emailInfo\">Valid E-mail please, you will need it to log in!</span> 
            </div> 
            <div> 
                <label for=\"pass1\">Password</label> 
                <input id=\"pass1\" name=\"pass1\" type=\"password\" /> 
                <span id=\"pass1Info\">At least 5 characters: letters, numbers and \'_\'</span> 
            </div> 
            <div> 
                <label for=\"pass2\">Confirm Password</label> 
                <input id=\"pass2\" name=\"pass2\" type=\"password\" /> 
                <span id=\"pass2Info\">Confirm password</span> 
            </div> 
            <div> 
                <label for=\"message\">Message</label> 
                <textarea id=\"message\" name=\"message\" cols=\"\" rows=\"\"></textarea> 
            </div> 
            <div> 
                <input id=\"send\" name=\"send\" type=\"submit\" value=\"Send\" /> 
            </div> 
        </form> 
    </div> 

复制代码 代码如下:

<?php 
    function validateName($name){ 
        //if it\'s NOT valid 
        if(strlen($name) < 4) 
            return false; 
        //if it\'s valid 
        else 
            return true; 
    } 
    function validateEmail($email){ 
        return ereg(\"^[a-zA-Z0-9]+[a-zA-Z0-9_-]+@[a-zA-Z0-9]+[a-zA-Z0-9.-]+[a-zA-Z0-9]+.[a-z]{2,4}$\", $email); 
    } 
    function validatePasswords($pass1, $pass2) { 
        //if DOESN\'T MATCH 
        if(strpos($pass1, \' \') !== false)
            return false;
        //if are valid
        return $pass1 == $pass2 && strlen($pass1) > 5;
    }
    function validateMessage($message){
        //if it\'s NOT valid 
        if(strlen($message) < 10) 
            return false; 
        //if it\'s valid 
        else 
            return true; 
    } 
?>