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characters to replace.
Positive number-The length of the string being replaced
Negative numbers-the number of replaced characters starting at the end of the string
0-Insert rather than replace
Use instance:
Copy Code code as follows:
[Code]
echo strlen ($idcard) ==15?substr_replace ($idcard, "* * *", 8,4):(strlen ($idcard) ==18?substr_replace ($idcard, "* * *", 10,4): "ID
/phone-number-database.rar
PHP + MYSQL mobile phone number attribution query implementation methodThrough the above introduction, we already have our own MYSQL data table. This table has a simple structure: ID (serial
recently in the National Industry Classification information web site, need to use the mobile phone number ownership display function, so the shuttle in the major authoritative sites between the API to steal the interface address. Share it out, and you can use it to take it, uh, Free mobile
PHP is a simple method for judging mobile phone devices. php is used to determine mobile phones.
This example describes how PHP can easily identify mobile devices. We will share this with you for your reference. The details are as follows:
Nowadays,
predicateWithFormat:@SELF MATCHES %@, emailRegex]; return [emailTest evaluateWithObject:email];}NSPredicate is a Foundation class used for query. Its principles and usage are similar to where in SQL.Simple Method for mobile phone number verification+ (BOOL)validatePhone:(NSString *)phone{ NSString *phoneRegex =
predicateWithFormat:@"SELF MATCHES %@", emailRegex]; return [emailTest evaluateWithObject:email];}
NSPredicate is a Foundation class used for query. Its principles and usage are similar to where in SQL.Simple Method for mobile phone number verification
+ (BOOL)validatePhone:(NSString *)phone{ NSString *phoneRege
Mobile phone number
Mobile phone name has GSM: said only support China Unicom or mobile 2G (130, 131, 132, 134, 135, 136, 137, 138, 139, 145, 147, 150, 151, 152, 155, 156, 157, 158, 159, 182, 185, 186, 187, 188)
This article introduces how to implement mobile phone number attribution. we can use the api interface and mysql + php for example. if you need it, let's first look at how to use our own database to query multiple mobile phone numbers, we recommend that you have your own
This article introduces how to implement mobile phone number attribution. we can use the api interface and mysql + php for example. if you need it, let's first look at how to use our own database to query multiple mobile phone numbers, we recommend that you have your own
Using PHP in three simple ways to achieve the mobile phone number of the middle four (n-bit) with an asterisk display:
$mobile = ' 13912345678 ';1. String interception method$newMobile 1 = substr ($mobile, 0, 5). ' '. substr ($
This article mainly introduces the php mobile phone number verification method. the mobile phone number verification usually uses php regular expression to express the test evidence. the mobil
A mobile phone number can only be tied to a Weibo account.
Binding mobile phone can be in the "Account-account settings-bind mobile phone" page according to the operation of the bindin
(China mainland Mobile 134,135,136,137,138,139,150,151,157,158,159 number section, China Unicom's 130,131,132,133,153,155,156 number segment and the Chinese telecom 3G mobile phone number paragraph 188, China netcom 3G
To the users of micro-credit software to detailed analysis to share the micro-letter to change the mobile phone number of procedures for the course.
Tutorial Sharing:
1, with the phone to open the micro-letter, with your micro-signal and independent password login micro-letter, login, enter the personal cente
Everyone should have this common sense, China's mobile phone numbers are based on the number "1" Start, and then use "0~9" 10 numbers composed of 11-digit combination, then our validation rules must be based on this idea to write.Based on the simple idea above, we can write down the following verification code, the cod
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