php 简单的登录表单验证,PHP最简单的表单验证库？
发布时间：2022-12-16 11:15:38 所属栏目：PHP教程 来源：
导读： * @version 1.0
* @access public
*/
class FormValidator
{
public static $regexes = Array(
'date' => "^[0-9]{4}[-/][0-9]{1,2}[-/][0-9]{1,2}\$"
* @access public
*/
class FormValidator
{
public static $regexes = Array(
'date' => "^[0-9]{4}[-/][0-9]{1,2}[-/][0-9]{1,2}\$"
|
* @version 1.0 * @access public */ class FormValidator { public static $regexes = Array( 'date' => "^[0-9]{4}[-/][0-9]{1,2}[-/][0-9]{1,2}\$", 'amount' => "^[-]?[0-9]+\$", 'number' => "^[-]?[0-9,]+\$", 'alfanum' => "^[0-9a-zA-Z ,.-_\\s\?\!]+\$", 'not_empty' => "[a-z0-9A-Z]+", 'words' => "^[A-Za-z]+[A-Za-z \\s]*\$", 'phone' => "^[0-9]{10,11}\$", 'zipcode' => "^[1-9][0-9]{3}[a-zA-Z]{2}\$", 'plate' => "^([0-9a-zA-Z]{2}[-]){2}[0-9a-zA-Z]{2}\$", 'price' => "^[0-9.,]*(([.,][-])|([.,][0-9]{2}))?\$", '2digitopt' => "^\d+(\,\d{2})?\$", '2digitforce' => "^\d+\,\d\d\$", 'anything' => "^[\d\D]{1,}\$" ); private $validations, $sanatations, $mandatories, $errors, $corrects, $fields; public function __construct($validations=array(), $mandatories = array(), $sanatations = array()) { $this->validations = $validations; $this->sanatations = $sanatations; $this->mandatories = $mandatories; $this->errors = array(); $this->corrects = array(); } /** * Validates an array of items (if needed) and returns true or false * */ public function validate($items) { $this->fields = $items; $havefailures = false; foreach($items as $key=>$val) { if((strlen($val) == 0 || array_search($key, $this->validations) === false) && array_search($key, $this->mandatories) === false) { $this->corrects[] = $key; continue; } $result = self::validateItem($val, $this->validations[$key]); if($result === false) { $havefailures = true; $this->addError($key, $this->validations[$key]); } else { $this->corrects[] = $key; } } return(!$havefailures); } /** * * Adds unvalidated class to thos elements that are not validated. Removes them from classes that are. */ public function getScript() { if(!empty($this->errors)) { $errors = array(); foreach($this->errors as $key=>$val) { $errors[] = "'INPUT[name={$key}]'"; } $output = '$$('.implode(',', $errors).').addClass("unvalidated");'; $output .= "alert('there are errors in the form');"; // or your nice validation here } if(!empty($this->corrects)) { $corrects = array(); foreach($this->corrects as $key) { $corrects[] = "'INPUT[name={$key}]'"; } $output .= '$$('.implode(',', $corrects).').removeClass("unvalidated");'; } $output = ""; return($output); } /** * * Sanatizes an array of items according to the $this->sanatations * sanatations will be standard of type string, but can also be specified. * For ease of use, this syntax is accepted: * $sanatations = array('fieldname', 'otherfieldname'=>'float'); */ public function sanatize($items) { foreach($items as $key=>$val) { if(array_search($key, $this->sanatations) === false && !array_key_exists($key, $this->sanatations)) continue; $items[$key] = self::sanatizeItem($val, $this->validations[$key]); } return($items); } /** * * Adds an error to the errors array. */ private function addError($field, $type='string') { $this->errors[$field] = $type; } /** * * Sanatize a single var according to $type. * Allows for static calling to allow simple sanatization */ public static function sanatizeItem($var, $type) { $flags = NULL; switch($type) { case 'url': $filter = FILTER_SANITIZE_URL; break; case 'int': $filter = FILTER_SANITIZE_NUMBER_INT; break; case 'float': $filter = FILTER_SANITIZE_NUMBER_FLOAT; $flags = FILTER_FLAG_ALLOW_FRACTION | FILTER_FLAG_ALLOW_THOUSAND; break; case 'email': $var = substr($var, 0, 254); $filter = FILTER_SANITIZE_EMAIL; break; case 'string': default: $filter = FILTER_SANITIZE_STRING; $flags = FILTER_FLAG_NO_ENCODE_QUOTES; break; } $output = filter_var($var, $filter, $flags); return($output); } /** * * Validates a single var according to $type. * Allows for static calling to allow simple validation. * */ public static function validateItem($var, $type) { if(array_key_exists($type, self::$regexes)) { $returnval = filter_var($var, FILTER_VALIDATE_REGEXP, array("options"=> array("regexp"=>'!'.self::$regexes[$type].'!i'))) !== false; return($returnval); } $filter = false; switch($type) { case 'email': $var = substr($var, 0, 254); $filter = FILTER_VALIDATE_EMAIL; break; case 'int': $filter = FILTER_VALIDATE_INT; break; case 'boolean': $filter = FILTER_VALIDATE_BOOLEAN; break; case 'ip': $filter = FILTER_VALIDATE_IP; break; case 'url': $filter = FILTER_VALIDATE_URL; break; } return ($filter === false) ? false : filter_var($var, $filter) !== false ? true : false; } } 现在这需要mootools为您在这里看到的一些javascript，但你可以很容易地改变到你最喜欢的javascript框架。它所做的就是查找元素PHP表单验证，并向其添加’unvalidated’CSS类。 用法就像我一直想要的那样简单： 例： $validations = array( 'name' => 'anything', 'email' => 'email', 'alias' => 'anything', 'pwd'=>'anything', 'gsm' => 'phone', 'birthdate' => 'date'); $required = array('name', 'email', 'alias', 'pwd'); $sanatize = array('alias'); $validator = new FormValidator($validations, $required, $sanatize); if($validator->validate($_POST)) { $_POST = $validator->sanatize($_POST); // now do your saving, $_POST has been sanatized. die($validator->getScript().""); } else { die($validator->getScript()); } 要验证只有一个元素： $validated = new FormValidator()->validate('blah@bla.', 'email'); 只保存一个元素： $sanatized = new FormValidator()->sanatize('blah', 'string'); 这个类最酷的是，你可以发送你的表单与ajax或iframe目标，并执行生成的脚本。不需要刷新页面或重新发送相同的表单数据回到浏览器:)另外，如果脚本需要更改，没有困难的overdesigned框架来分析，只是改变它任何你想要的方式:) 哦，是的，随时使用这个任何地方你想要的。 （编辑：我爱制作网_池州站长网） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |
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