PHP 常用表单验证类

<?php
header('Content-Type: text/html; charset=utf-8');

class ValidatePost{
    //验证是否为指定长度的字母/数字组合
    function alphabetLeng($num1,$num2,$str)
    {
        return (preg_match("/^[a-zA-Z0-9]{".$num1.",".$num2."}$/",$str))?true:false;
    }
    //验证是否为指定长度数字
    function numLeng($num1,$num2,$str){
        return (preg_match("/^[0-9]{".$num1.",".$num2."}$/i",$str))?true:false;
    }
    //验证身份证号码
    function identityCard($str){
        return (preg_match('/(^([\d]{15}|[\d]{18}|[\d]{17}x)$)/',$str))?true:false;
    }
    //验证邮件地址
    function email($str){
        return (preg_match('/^[_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,4}$/',$str))?true:false;
    }
    //验证电话号码
    function phoneNumber($str){
        return (preg_match("/^((\(\d{3}\))|(\d{3}\-))?(\(0\d{2,3}\)|0\d{2,3}-)?[1-9]\d{6,7}$/",$str))?true:false;
    }
    //验证url地址
    function url($str){
        return (preg_match("/^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$/",$str))?true:false;
    }
}

$vp = new ValidatePost();
if($vp ->alphabetLeng(5, 10, 'onestopweb')){
    echo 'alphabetLeng 真'.PHP_EOL;
}else{
    echo 'alphabetLeng 假'.PHP_EOL;
}
if($vp ->numLeng(5, 10, '3248185961')){
    echo 'numLeng 真'.PHP_EOL;
}else{
    echo 'numLeng 假'.PHP_EOL;
}
if($vp ->identityCard('440883199010161234')){
    echo 'identityCard 真'.PHP_EOL;
}else{
    echo 'identityCard 假'.PHP_EOL;
}
if($vp ->email('[email protected]')){
    echo 'email 真'.PHP_EOL;
}else{
    echo 'email 假'.PHP_EOL;
}
if($vp ->phoneNumber('135-12345678')){
    echo 'phoneNumber 真'.PHP_EOL;
}else{
    echo 'phoneNumber 假'.PHP_EOL;
}
if($vp ->url('http://onestopweb.iteye.com/demo.php?id=12345%name=chaoyi')){
    echo 'url 真'.PHP_EOL;
}else{
    echo 'url 假'.PHP_EOL;
}

效果图：