A good PHP validation class

/** * Validation Class * * @lastmodify 2014-5-16 * @author jy625 */ Class verifyaction{ /** * is a null value */ public static function IsEmpty ($STR) { $str = Trim ($STR); Return!empty ($STR)? True:false; } /** * Digital Verification * param: $flag: int is an integer, float is floating point type */ public static function Isnum ($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, directory name, etc. * @param: String $str strings to match * @param: Whether $chinese support Chinese, default support, if it is a matching file name, it is recommended to turn off this item (FALSE) * @param: $charset encoding (default utf-8, support gb2312) */ public static function Isname ($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) { $exp = "/^13[0-9] [0-9]{8}$|15[012356789] small shellfish [0-9]{8}$|18[012356789] small shellfish [0-9]{8}$|14[57] small shellfish [0-9]$/]; if (Preg_match ($exp, $str)) { return true; }else{ return false; } } /** * URL authentication, plain URL format, IP authentication not supported */ public static function Isurl ($STR) { if (!self::isempty ($STR)) return false; return Preg_match (' # (HTTP|HTTPS|FTP|FTPS)://([w-]+.) +[w-]+ (/[w-./?%&=]*)? #i ', $str)? True:false; } /** * Verify Chinese * @param: String $str strings to match * @param: $charset encoding (default utf-8, support gb2312) */ public static function Ischinese ($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 (228). " -". Chr (233)." Beckham [". chr (128)." -". Chr (191)." Beckham [". chr (128)." -". Chr (191)." Beckham) Beckham/", $word) = = True | | Preg_match ("/[". chr (228). " -". Chr (233)." Beckham [". chr (128)." -". Chr (191)." Beckham [". chr (128)." -". Chr (191)." Beckham) $/", $word) = = True | | Preg_match ("/[". chr (228). " -". Chr (233)." Beckham [". chr (128)." -". Chr (191)." Beckham [". chr (128)." -". Chr (191)." Beckham) {2,}/", $word) = = True)? True:false; } /** * Verify Length * @param: String $str * @param: int $type (mode, default min <= $str <= max) * @param: int $min, Min., $max, maximum; * @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://Match Minimum value only Return ($len >= $min)? True:false; Break Case 2://Match Max value only Return ($max >= $len)? True:false; Break Default://min <= $str <= Max Return (($min <= $len) && ($len <= $max))? True:false; } } /** * Verify 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 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 Mailbox * @param string $value */ public static function Checkzip ($STR) { if (strlen ($STR)!=6) { return false; } if (substr ($str, 0, 1) ==0) { return false; } return true; } /** * Match 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] >= && $timeArr [0] <= 10000) && ($DATEARR [1] >= 0 && $dateArr [1] < && ($DATEARR [2] >= 0 && $dateArr [2] <= 31)) return true; Else return false; } return false; } /** * Match 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 && $timeArr [0] <= && ($TIMEARR [1] >= 0 && $timeArr [1] <= 59) && ($TIMEARR [2] >= 0 && $timeArr [2] <= 59)) return true; Else return false; } return false; } } Copy Code

Very good, PHP

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