A good PHP verification class-php Tutorial

A good PHP verification class

/** * Verification class * * @ Lastmodify 5-5-16 * @ Author jy625 */ Class VerifyAction { /** * Whether it is null */ Public static function isEmpty ($ str ){ $ Str = trim ($ str ); Return! Empty ($ str )? True: false; } /** * Digit verification * Param: $ flag: whether the int is an integer or the float is a floating point. */ Public static function isNum ($ str, $ flag = 'float '){ If (! Self: isEmpty ($ str) return false; If (strtolower ($ flag) = 'int '){ Return (string) (int) $ str ==( string) $ str )? True: false; } Else { Return (string) (float) $ str ==( string) $ str )? True: false; } } /** * Name matching, such as user name and directory name * @ Param: string $ str string to be matched * @ Param: $ whether chinese is supported. it is supported by default. if the file name is matched, disable this option (false) * @ Param: $ charset encoding (UTF-8 by default, supports gb2312) */ Public static function isName ($ str, $ chinese = true, $ charset = 'utf-8 '){ If (! Self: isEmpty ($ str) return false; If ($ chinese ){ $ Match = (strtolower ($ charset) = 'gb2312 ')? "/^ [". Chr (0xa1 ). "-". chr (0xff ). "A-Za-z0-9 _-] + $/": "/^ [x {4e00}-x {9fa5} A-Za-z0-9 _] + $/u "; } Else { $ Match = '/^ [A-za-z0-9 _-] + $ /'; } Return preg_match ($ match, $ str )? True: false; } /** * Email verification */ Public static function isEmail ($ str ){ If (! Self: isEmpty ($ str) return false; Return preg_match ("/([a-z0-9] * [-_ \.]? [A-z0-9] +) * @ ([a-z0-9] * [-_]? [A-z0-9] +) + [\.] [a-z] {2, 3} ([\.] [a-z] {2 })? /I ", $ str )? True: false; } // Mobile phone number verification Public static function isMobile ($ str ){ $ Exp = "/^ 13 [0-9] Beckham [0-9] {8} $ | 15 [012356789] Beckham [0-9] {8} $ | 18 [012356789] Beckham [0-9] {8 }$ | 14 [57] Beckham [0-9] $ /"; If (preg_match ($ exp, $ str )){ Return true; } Else { Return false; } } /** * URL verification, in pure URL format, does not support IP Address Verification */ Public static function isUrl ($ str ){ If (! Self: isEmpty ($ str) return false; Return preg_match ('# (http | https | ftp | ftps): // ([w-] +.) + [w-] + (/[w -./? % & =] *)? # I ', $ str )? True: false; } /** * Verify Chinese characters * @ Param: string $ str string to be matched * @ Param: $ charset encoding (UTF-8 by default, supports gb2312) */ Public static function isChinese ($ str, $ charset = 'utf-8 '){ If (! Self: isEmpty ($ str) return false; $ Match = (strtolower ($ charset) = 'gb2312 ')? "/^ [". Chr (0xa1). "-". chr (0xff). "] + $ /" : "/^ [X {4e00}-x {9fa5}] + $/u "; Return preg_match ($ match, $ str )? True: false; } /** * UTF-8 verification */ Public static function isUtf8 ($ str ){ If (! Self: isEmpty ($ str) return false; Return (preg_match ("/^ ([". chr (1, 228 ). "-". chr (1, 233 ). "] Beckham [". chr (1, 128 ). "-". chr (1, 191 ). "] Beckham [". chr (1, 128 ). "-". chr (1, 191 ). "] Beckham) Beckham/", $ word) = True | preg_match ("/([". chr (1, 228 ). "-". chr (1, 233 ). "] Beckham [". chr (1, 128 ). "-". chr (1, 191 ). "] Beckham [". chr (1, 128 ). "-". chr (1, 191 ). "] Beckham) Beckham $/", $ word) = True | preg_match ("/([". chr (1, 228 ). "-". chr (1, 233 ). "] Beckham [". chr (1, 128 ). "-". chr (1, 191 ). "] Beckham [". chr (1, 128 ). "-". chr (1, 191 ). "] Beckham) {2,}/", $ word) = True )? True: false; } /** * Verification length * @ Param: string $ str * @ Param: int $ type (method, default value: min <= $ str <= max) * @ Param: int $ min, minimum value; $ max, maximum value; * @ Param: string $ charset character */ Public static function length ($ str, $ type = 3, $ min = 0, $ max = 0, $ charset = 'utf-8 '){ If (! Self: isEmpty ($ str) return false; $ Len = mb_strlen ($ str, $ charset ); Switch ($ type ){ Case 1: // only match the minimum value Return ($ len >=$ min )? True: false; Break; Case 2: // only match the maximum value Return ($ max >=$ len )? True: false; Break; Default: // min <= $ str <= max Return ($ min <= $ len) & ($ len <= $ max ))? True: false; } } /** * Verify the password * @ Param string $ value * @ Param int $ length * @ Return boolean */ Public static function isPWD ($ value, $ minLen = 6, $ maxLen = 16 ){ $ Match = '/^ [\\~! @ # $ % ^ & * ()-_ = + | {} ,.? \/:; \ '\ "\ D \ w] {'. $ minLen. ','. $ maxLen. '} $ /'; $ V = trim ($ value ); If (empty ($ v )) Return false; Return preg_match ($ match, $ v ); } /** * Verify the user name * @ Param string $ value * @ Param int $ length * @ Return boolean */ Public static function isNames ($ value, $ minLen = 2, $ maxLen = 16, $ charset = 'all '){ If (empty ($ value )) Return false; Switch ($ charset ){ Case 'en': $ match = '/^ [_ \ w \ d] {'. $ minLen. ','. $ maxLen. '} $/iu '; Break; Case 'cn': $ match = '/^ [_ \ x {4e00}-\ x {9fa5} \ d] {'. $ minLen. ','. $ maxLen. '} $/iu '; Break; Default: $ match = '/^ [_ \ w \ d \ x {4e00}-\ x {9fa5}] {'. $ minLen. ','. $ maxLen. '} $/iu '; } Return preg_match ($ match, $ value ); } /** * Verify email * @ Param string $ value */ Public static function checkZip ($ str ){ If (strlen ($ str )! = 6 ){ Return false; } If (substr ($ str, 0, 1) = 0 ){ Return false; } Return true; } /** * Matching date * @ Param string $ value */ Public static function checkDate ($ str ){ $ DateArr = explode ("-", $ str ); If (is_numeric ($ dateArr [0]) & is_numeric ($ dateArr [1]) & is_numeric ($ dateArr [2]) { If ($ dateArr [0]> = 1000 & $ timeArr [0] <= 10000) & ($ dateArr [1]> = 0 & $ dateArr [1] <= 12) & ($ dateArr [2]> = 0 & $ dateArr [2] <= 31 )) Return true; Else Return false; } Return false; } /** * Matching time * @ Param string $ value */ Public static function checkTime ($ str ){ $ TimeArr = explode (":", $ str ); If (is_numeric ($ timeArr [0]) & is_numeric ($ timeArr [1]) & is_numeric ($ timeArr [2]) { If ($ timeArr [0]> = 0 & $ timeArr [0] <= 23) & ($ timeArr [1]> = 0 & $ timeArr [1] <= 59) & ($ timeArr [2]> = 0 & $ timeArr [2] <= 59 )) Return true; Else Return false; } Return false; } }

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