php可扩展的验证类实例(可对邮件、手机号、URL等验证)

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;
 }
}
?>