<?php class class_post { function fun_text1($num1,$num2,$str) { Return (preg_match("/^[a-zA-Z0-9]{".$num1.",".$num2."}$/",$str))?true:false; } function fun_text2($num1,$num2,$str) { return (preg_match("/^[0-9]{".$num1.",".$num2."}$/i",$str))?true:false; } function fun_font($num1,$num2,$str) { return (preg_match("/^([\x81-\xfe][\x40-\xfe]){".$num1.",".$num2."}$/",$str))?true:false; } function fun_status($str) { return (preg_match('/(^([\d]{15}|[\d]{18}|[\d]{17}x)$)/',$str))?true:false; } function fun_email($str){ return (preg_match('/^[_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,4}$/',$str))?true:false; }
Page function: common form verification class, verify whether it is a letter/number combination of a specified length, whether it is a number of a specified length, whether it is a Chinese character of a specified length, verify ID number, verify email address, verify phone number
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