php 惯用验证类及正则_PHP教程
正则表达式在遇到新的时候将会不断更新
include "ValidateParameterConfig.php";
class Validation
{
private static function getRexp($rexp)
{
$_rexp = array (
'letter_number'=>'/^[0-9A-Za-z]+$/',//只有字母数字包括大小写
'account'=>'/^[0-9A-Za-z_]+$/',//只有字母数字下划线包括大小写
'ids'=>'/^[0-9]+(\,[0-9]+)*$/',//验证多个id以','分割的类型 例如'1,2,3,4,5'
'number'=>'/^[0-9]+$/',//只可以使数字
'personal_card'=>'/^[0-9A-Za-z]+$/',//身份证
'email'=>'/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/',//邮箱
'date'=>'/^((((19|20)\d{2})-(0?(1|[3-9])|1[012])-(0?[1-9]|[12]\d|30))|(((19|20)\d{2})-(0?[13578]|1[02])-31)|(((19|20)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|((((19|20)([13579][26]|[2468][048]|0[48]))|(2000))-0?2-29))$/'//日期，包含了闰年
);
if (isset($_rexp[$rexp])) {
return $_rexp[$rexp];
} else {
return $rexp_not_defind;
}
}
public static function validate($data, $config)
{
$_config = ValidateParameterConfig::getConfig($config);
$k = self::allowExist($data, $_config);
if ($k !== null) {
return $k;
}
foreach($_config as $k=>$c) {
if (isset($data[$k]))
{
if(isset($c['rexp']))
{
if (self::vRexp( $data[$k], $c['rexp']) === false) {
return $k;
}
}
if (isset($c['length']))
{
if (self::vLength($data[$k], $c['length']))
{
return $k;
}
}
if (isset($c['min_length']))
{
if (!self::vMinLength($data[$k], $c['min_length']))
{
return $k;
}
}
if (isset($c['max_length']))
{
if (!self::vMaxLength($data[$k], $c['max_length']))
{
return $k;
}
}
}
}
return null;
}
private static function allowExist($data, $config)
{
foreach ($config as $k=>$v)
{
if (!isset($v['allow_exist']) || $v['allow_exist'] == true) {
if (!isset($data[$k]))
{
return $k;
}
}
}
return null;
}
public static function vRexp($data, $rexp) {
$_rexp = self::getRexp($rexp);
if (preg_match($_rexp, $data) == false) {
return false;
}
return true;
}
public static function vLength($data, $l) {
if (strlen(trim($data)) == $l) {
return false;
}
return true;
}
public static function vMinLength($data, $l) {
if (strlen(trim($data))
return false;
}
return true;
}
public static function vMaxLength($data, $l) {
if (strlen(trim($data)) > $l) {
return false;
}
return true;
}
public static function vLetterNumber($data) {
if (preg_match(self::getRexp('letter_number'), $data) == false) {
return false;
}
return true;
}
public static function vLetterNumber_($data) {
if (preg_match(self::getRexp('letter_number_'), $data) == false) {
return false;
}
return true;
}
public static function vNumber($data) {
if (preg_match(self::getRexp('number'), $data) == false) {
return false;
}
return true;
}
public static function vEmail($data) {
if (preg_match(self::getRexp('email'), $data) == false) {
return false;
}
return true;
}
class ValidateParameterConfig
{
public static function getConfig ($key)
{
//'allow_exist'=>true或allow_exist不存在表示该参数必传
$_config = array(
'test'=>array(
'letter_number'=>array('rexp'=>'letter_number', 'allow_exist'=>true),
'number'=>array('rexp'=>'number', 'min_length'=>1'allow_exist'=>false),
'account'=>array('rexp'=>'account', 'max_length'=>20),
)
);
if (isset($_config[$key])) {
return $_config[$key];
} else {
return $config_not_defind;
}
}
}
使用例子：
从应用端发过来的参数为
$arr = array('letter_number'=>'abc123', 'account'=>'acb1234_');
//参数验证
$_msg = Validation::validate($arr, 'test');
if ($_msg !== null) {
return $_msg . ' is invalid parameter';
}