php check valid phone number

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PHP form Check function library (determine whether the email format is correct, HTTP address is valid, mobile phone number is legitimate)

/** * form Check function library *//** * Determine if the email format is correct * @param $email */function is_email ($email) { return strlen ($email) > 6 &&A mp Preg_match ("/^[\w\-\.") [Email protected] [\w\-\.] + (\.\w+) +$/", $email);}

Php user name, password, phone number, legal judgment code

Php user name, password, phone number, legal judgment code article has three common functions: Determine whether the user name is valid and whether the user password is valid, determine whether the phone number is valid. these three functions are

Seven habits to compile a secure PHP application

Seven habits of writing a secure PHP application Improve the security of your WEB application Security in PHP applications includes remote security and local security. This article will reveal the habits that PHP developers should develop when

Summary and Analysis of PHP regular expression processing functions

PHP regular expression processing function summary analysis, read the PHP regular expression processing function summary analysis, The following summarizes common function code in php, so that you can learn php regular expression preg_grep (PHP4,

Php regular expression processing function summary analysis _ PHP Tutorial

Php regular expression processing function summary analysis. Preg_grep (PHP4, PHP5) preg_grep -- returns the array unit that matches the pattern. description: arraypreg_grep (stringpattern, arrayinput [, intflags]) preg_grep () returns an array,

Error during initialization php session full tutorial 1th/2 page

I. Overview of the SESSION What session is, at first I also do not understand, non-professional dictionary translation for the Conference, the Conference period. Make a less appropriate metaphor. (although inappropriate, but the meaning is the same),

Php/javascript/css/jquery Common Knowledge Daquan detailed finishing 1th/2 page _php tips

1. What is the definition of a variable? How do I check that a variable is defined? How do I delete a variable? How do I detect if a variable is set? $ defines whether the isset ()//check variable is setDefined ()//Detect constants are setUnset

PHP Session Full Tutorial 1th/2 page _php Tutorial

I. Overview of the SESSION What session is, at first I also do not understand, non-professional dictionary translation for the Conference, the Conference period. Make a less appropriate metaphor. (although inappropriate, but the meaning is the same),

Session complete Tutorial in PHP 1th/2 page _php Basics

I. Overview of the SESSIONWhat is the session, just at the beginning I do not understand, the non-professional dictionary translation for the meeting, the meeting period. Make an inappropriate analogy.(although not appropriate, but the meaning is

Summary and Analysis of php regular expression processing functions

The following describes common function codes in php to help you learn php regular expressions preg_grep. (PHP 4, PHP 5) Preg_grep -- returns the array unit that matches the pattern. Description Array preg_grep (string pattern, array input [, int

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