require_once('./Validator.class.php');
$data = array(
 'nickname' => 'heno' ,
 'realname' => 'steven',
 'age' => 25,
 'mobile' => '1521060426');
$validator = new Validator($data);
$validator->setRule('nickname', 'required');
$validator->setRule('realname', array('length' => array(1,6), 'required'));
$validator->setRule('age', array('required', 'digit'));
$validator->setRule('mobile', array('mobile'));
$result = $validator->validate();
var_dump($result);
var_dump($validator->getResultInfo());

<?php
/**
 * Validator 数据验证类
 * @package library
 * @category library
 * @author Steven
 * @version 1.0
 */
/**
 * Validator 数据验证类
 * @package library
 * @category library
 * @author Steven
 * @version 1.0
 */
class Validator {
 /**
 * 待校验数据
 * @var array
 */
 private $_data;
 /**
 * 校验规则
 * @var array
 */
 private $_ruleList = null;
 /**
 * 校验结果
 * @var bool
 */
 private $_result = null;
 /**
 * 校验数据信息
 * @var array
 */
 private $_resultInfo = array();
 /**
 * 构造函数
 * @param array $data 待校验数据
 */
 public function __construct($data = null)
 {
 if ($data) {
  $this->_data = $data;
 }
 }
 /**
 * 设置校验规则
 * @param string $var 带校验项key
 * @param mixed $rule 校验规则
 * @return void
 */
 public function setRule($var, $rule)
 {
 $this->_ruleList[$var] = $rule;
 }
 /**
 * 检验数据
 * @param array $data 
 * <code>
 * $data = array('nickname' => 'heno' , 'realname' => 'steven', 'age' => 25);
 * $validator = new Validator($data);
 * $validator->setRule('nickname', 'required');
 * $validator->setRule('realname', array('lenght' => array(1,4), 'required'));
 * $validator->setRule('age', array('required', 'digit'));
 * $result = $validator->validate();
 * var_dump($validator->getResultInfo());
 * </code>
 * @return bool
 */
 public function validate($data = null)
 {
 $result = true;
 /* 如果没有设置校验规则直接返回 true */
 if ($this->_ruleList === null || !count($this->_ruleList)) {
  return $result;
 }
 /* 已经设置规则，则对规则逐条进行校验 */
 foreach ($this->_ruleList as $ruleKey => $ruleItem) {
  /* 如果检验规则为单条规则 */
  if (!is_array($ruleItem)) {
  $ruleItem = trim($ruleItem);
  if (method_exists($this, $ruleItem)) {
   /* 校验数据，保存校验结果 */
   $tmpResult = $this->$ruleItem($ruleKey);
   if (!$tmpResult) {
   $this->_resultInfo[$ruleKey][$ruleItem] = $tmpResult;
   $result = false;
   }
  }
  continue;
  }
  /* 校验规则为多条 */
  foreach ($ruleItem as $ruleItemKey => $rule) {
  if (!is_array($rule)) {
   $rule = trim($rule);
   if (method_exists($this, $rule)) {
   /* 校验数据，设置结果集 */
   $tmpResult = $this->$rule($ruleKey);
   if (!$tmpResult) {
    $this->_resultInfo[$ruleKey][$rule] = $tmpResult;
    $result = false;
   }
   }
  } else {
   if (method_exists($this, $ruleItemKey)) {
   /* 校验数据，设置结果集 */
   $tmpResult = $this->$ruleItemKey($ruleKey, $rule);
   if (!$tmpResult) {
    $this->_resultInfo[$ruleKey][$ruleItemKey] = $tmpResult;
    $result = false;
   }
   }
  }
  }
 }
 return $result;
 }
 /**
 * 获取校验结果数据
 * @return [type] [description]
 */
 public function getResultInfo()
 {
 return $this->_resultInfo;
 }
 /**
 * 校验必填参数
 * @param string $varName 校验项
 * @return bool
 */
 public function required($varName) 
 {
 $result = false;
 if (is_array($this->_data) && isset($this->_data[$varName])) {
  $result = true;
 }
 return $result;
 }
 /**
 * 校验参数长度
 * 
 * @param string $varName 校验项
 * @param array $lengthData array($minLen, $maxLen)
 * @return bool
 */
 public function length($varName, $lengthData)
 {
 $result = true;
 /* 如果该项没有设置，默认为校验通过 */
 if ($this->required($varName)) {
  $varLen = mb_strlen($this->_data[$varName]);
  $minLen = $lengthData[0];
  $maxLen = $lengthData[1];
  if ($varLen < $minLen || $varLen > $maxLen) {
  $result = true;
  }
 }
 return $result;
 }
 /**
 * 校验邮件
 * @param string $varName 校验项
 * @return bool
 */
 public function email($varName)
 {
 $result = true;
 /* 如果该项没有设置，默认为校验通过 */
 if ($this->required($varName)) {
  $email = trim($this->_data[$varName]);
  if (preg_match('/^[-\w]+?@[-\w.]+?$/', $email)) {
  $result = false;
  }
 }
 return $result;
 }
 /**
 * 校验手机
 * @param string $varName 校验项
 * @return bool
 */
 public function mobile($varName)
 {
 $result = true;
 /* 如果该项没有设置，默认为校验通过 */
 if ($this->required($varName)) {
  $mobile = trim($this->_data[$varName]);
  if (!preg_match('/^1[3458]\d{10}$/', $mobile)) {
  $result = false;
  }
 }
 return $result;
 }
 /**
 * 校验参数为数字
 * @param string $varName 校验项
 * @return bool
 */
 public function digit($varName)
 {
 $result = false;
 if ($this->required($varName) && is_numeric($this->_data[$varName])) {
  $result = true;
 }
 return $result;
 }
 /**
 * 校验参数为身份证
 * @param string $varName 校验项
 * @return bool
 */
 public function ID($ID)
 {
 }
 /**
 * 校验参数为URL
 * @param string $varName 校验项
 * @return bool
 */
 public function url($url)
 {
 $result = true;
 /* 如果该项没有设置，默认为校验通过 */
 if ($this->required($varName)) {
  $url = trim($this->_data[$varName]);
  if(!preg_match('/^(http[s]?::)?\w+?(\.\w+?)$/', $url)) {
  $result = false;
  }
 }
 return $result;
 }
}
?>