Email檢測,密碼重復檢測,可以用于表單發送的各種環境，例如發送反饋，注冊帳號復制代碼 代碼如下: 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($_POST['send'])):? div id="error" ul li strong Congratulations! /strong All fields are OK ;) /li /ul /div ?endif?
form method="post" id="customForm" action="" div label for="name" Name /label input id="name" name="name" type="text" / span id="nameInfo" What's your name? /span /div div label for="email" E-mail /label input id="email" name="email" type="text" / span id="emailInfo" Valid E-mail please, you will need it to log in! /span /div div label for="pass1" Password /label input id="pass1" name="pass1" type="password" / span id="pass1Info" At least 5 characters: letters, numbers and '_' /span /div div label for="pass2" Confirm Password /label input id="pass2" name="pass2" type="password" / span id="pass2Info" Confirm password /span /div div label for="message" Message /label textarea id="message" name="message" cols="" rows="" /textarea /div div input id="send" name="send" type="submit" html' target='_blank'>value="Send" / /div /form /div validation.php復制代碼 代碼如下: ?php function validateName($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) } function validateMessage($message){ //if it's NOT valid if(strlen($message) 10) return false; //if it's valid else return true; } ? PHP教程
