The code is as follows
function Funcmtel ($STR)//mobile number Regular expression test
{
Return (Preg_match ("/(?: 13d{1}|15[03689]) d{8}$/", $str))? True:false;
}
Test
18678785887
Return to
False
Cause analysis, see the discovery that the
1) will be a long URL MD5 generated 32-bit signature string, divided into 4 paragraphs, 8 bytes per paragraph; 2 The four-segment loop is processed, and 8 bytes are taken, which he sees as the 16-string and 0X3FFFFFFF ( 30-bit 1) with operations,
In the beginning, I wanted to directly prohibit the URL of the PHP suffix from being accessed in the rewrite rules. But it turns out that rewrite rules are recursively invoked, and if PHP is banned directly in rewrite rules, then rules that rewrite
Analysis of PHP File download processing method
This article mainly introduces the php file download processing method, example analysis of PHP for file download common processing skills, with a certain reference value, the need for friends can
$key = $_get[' key ']; Get keywords$select = $_get[' select ']; Get the Search engine choiceSwitch ($select)//jump to a different page depending on the search engine{Case "Google"://google$url = "http://www.google.com/search?q=". $key;Header
This article is the use of PHP to receive post data and JSON data for a detailed analysis of the introduction, the need for friends to
copy the Code code below:
$json _string = $_post["Txt_json"];
if (Ini_get ("magic_quotes_gpc") = = "1")
{
$json
Before we talked about using JavaScript to get the JSON data node path, we went further today to explain all the node paths that PHP gets from the JSON data
?
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26-27--28 2
This article mainly introduces PHP performance analysis tool xhprof installation tutorial, this article gives detailed installation steps and configuration methods as well as the use of examples, the need for friends can refer to the
Hprof is a PHP
This example describes a method that PHP uses the key value of the post array to create and assign a variable with the same name. Share to everyone for your reference. Specifically as follows:
This code can automatically create a variable of the
The example in this article describes the way PHP automatically gets keywords. Share to everyone for your reference.
The implementation methods are as follows:
The code is as follows: $mincipin =5;//minimum Word frequency
$minlen =4;//keyword
This article mainly introduces the PHP through the Array_merge () function merges two arrays the method, the example analyzes the PHP array_merge () function merges the array the use skill, needs the friend to be possible to refer to under
This
The example in this article describes how the PHP string is reversed by word. Share to everyone for your reference. The specific analysis is as follows:
The following PHP code reverses the output of a string by a word, but the city now separates
This article mainly introduces the PHP implementation on the server to create a directory, example analysis of PHP using the mkdir function of the use of skills, the need for friends can refer to the
This article illustrates how PHP implements the
This article mainly introduces the PHP file flow way to copy files, involving PHP stream_copy_to_stream function in the use of skills, the need for friends can refer to the
This example describes how PHP replicates files through file flow. Share
This article mainly introduced the PHP simple time to carry out the task the realization method, involves the curl and the sleep and so on the operation skill, has certain reference value, the need friend may refer to under
This article is an
This article mainly introduced the PHP return string all words method, the example analyzes the PHP string regular match and the array operation skill, has certain reference value, the need friend may refer to the next
This example describes how
The focuses on the One_mail function. Use the Mail_mimedecode class to extract headers and message bodies from messages, as follows The code is as follows:
This log class uses a single case pattern to conserve resources. The file size is determined by itself, and the file is created by itself in order to exceed the specified size. For today's applications, the importance of journaling is
Use PHP to write a 1GB size file, check the hard drive write speed, there may be some error,
It is recommended that you use a professional hard drive test tool to detect
General computer reading and writing in 20m/s, this test to perform probably 4
This article mainly introduces the migration of PHP version to the PHP7 method, the need for friends can refer to the
Today, I saw the micro-blog said Phpng is PHP7 merged into master, we all know that I am more like to explore the latest version
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