PHP Validation Class

Source: Internet
Author: User
Tags explode

<?php
/**
* 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) {
$exp = "/^13[0-9]{1}[0-9]{8}$|15[012356789]{1}[0-9]{8}$|18[012356789]{1}[0-9]{8}$|14[57]{1}[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)." {1} [". chr (128)." -". Chr (191)." {1} [". chr (128)." -". Chr (191)." {1}) {1}/", $word)
= = True | | Preg_match ("/[". chr (228). " -". Chr (233)." {1} [". chr (128)." -". Chr (191)." {1} [". chr (128)." -". Chr (191)." {1}) {1}$/", $word)
= = True | | Preg_match ("/[". chr (228). " -". Chr (233)." {1} [". chr (128)." -". Chr (191)." {1} [". chr (128)." -". Chr (191)." {1}) {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) {
$match = '/^[\\[email protected]#$%^&* ()-_=+|{},.? \/:;\ ' \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 && $dateArr [1] &lt && ($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;
}
}

PHP Validation Class

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.