Php server variable $ _ SERVER explanation

Today, I carefully studied the manual about server variables and wrote a note to help beginners. I think the red part is more common and important. the blue part is added after debugging, which is easy to understand. Repost, please respect the

PHP online zip compression function code

PHP online zip compression function code /* Create a zip package in PHP */ Function create_zip ($ files = array (), $ destination = '', $ overwrite = false ){ // If the zip file already exists and overwrite

33 common php questions and answers

33 common php questions and answers 1. in PHP, the name of the current script (excluding the path and query string) is recorded in the predefined variable (1), and the URL linked to the current page is recorded in the predefined variable (2)

PHP generate easy-to-print webpage _ PHP Tutorial

PHP generates easy-to-print web pages. Many news and information sites provide a method for generating easy-to-print web pages. the layout of the generated pages is more conducive to printer printing and output, this method facilitates many of our

Php anti-SQL injection filter code _ PHP Tutorial

Php anti-SQL injection filtering code. We provide three letters to filter out some special characters, mainly using php to filter out SQL sensitive strings. let's take a look at this code. If you have any need, we have provided three letters to

PHP reading excelfile (.csv) instance introduction _ PHP Tutorial

Phpread excelfile (.csv) instance introduction. Csv files are plain text files, but they can be opened as excel files. below I will summarize several common php instances for reading excel files. The analy.csv function csv file with php

In the browser, enter a URL and the returned data. how do I assign a value to a variable defined by myself?

In the browser, enter a URL and the returned data. how do I assign a value to a variable defined by myself? In the browser, enter a URL and the returned data. how do I assign a value to a variable defined by myself? For example, I enter a Web

Php sorts 0.1 billion QQ numbers

Php sorted 0.1 billion QQ numbers and posted them. Split into thousands of parts for sorting and merging. First, create a txt file with 0.1 billion QQ numbers. $ V) {$ arr = range ($ v * 10000 + 10000,100 00 * ($ v + 1) + 9999); shuffle ($

How do two foreach loops?

How do two foreach loops? I am using a multi-user mall system. now I want to cycle the second-level classes under the first-level category of the store, and the second-level category will automatically read the recommendation shops in the current

I 've been plagued by time issues. I need your help. please help me!

I 've been plagued by time issues. I need your help. please help me! The storage format of attendance time is incorrect. The bigint I used stores the timestamp. Limits: swipe your card before half past five am and swipe your card after am. if you

Are you sure you want to put off your pants and fart?

Are you sure you want to take your pants off and fart? you can see a piece of code written in this way. $ Site_url = strtolower ('http ://'. $ _ SERVER ['http _ host']. substr ($ _ SERVER ['php _ SELF '], 0, strrpos ($ _ SERVER ['php _ SELF'],

Nginx + php is configured with an IP address to access the domain name, but not the domain name.

The Nginx + php configuration can access the domain name using an IP address, but it cannot be my nginx. conf file. #user nobody;worker_processes 1;#error_log logs/error.log;#error_log logs/error.log notice;#error_log logs/error.log

[ModernPHP] Chapter 2 new feature 6 ZendOPcache

[ModernPHP] Chapter 2 new feature 6 ZendOPcache Zend OPcache Bytecode caching technology is not new to PHP. We already have Alternative PHP Cache (APC), eAccelerator, ionCube, and XCache independent Extensions. they can all be used as our

Consultation: bat batch processing randomly extracts one row from N txt files and combines them into another txt file.

Consultation: bat batch processing randomly extracts one row from N txt files and combines them into another txt file. There are hundreds of txt files under one of my folders. I want to randomly extract one row of each txt and save it to another txt

Find an email server software solution

I only know about the email Server software Magic & nbsp; Winmail & nbsp; Server, OK? Are you useful? Is there any other software with high cost performance? ------ Solution ------------------ in win, mdeamon and imail. ------ solution --------------

The header ("Location: empManage. php") page jumps to a blank page.

Go to the blank page on the header (& quot; Location: empManage. php & quot;) page to find loginProcess. php: & lt ;? Php accepts user data 1.id$ id $ _ POST [& quot; id & quot;]; 2. password $ _ POST [& quot; password & quot;]; to the number header

DedeCMSV5.3 system parameter settings manual site settings

The DedeCMSV5.3 system setup instruction manual, which was released by ianya, a member of the Zhimeng official team, is one of the best learning contents. The purpose of my post is to facilitate self-learning and searching in the future. This

Come and come! Everyone is interested in such a spoof php

Come and come !~~ Let's take a look at the spoof php & lt ;? Php $ a & quot; 3300 & quot; $ B & quot; 3300. & quot; $ c & quot; 2.0 absd & quot; echo ($ B-6 ). & quot; & lt; br & gt; & quot; 3294 echo ($ C-6 ). & quot; & lt; br & gt; & quot;-4if

Please check whether this function can be implemented through php (php directly accepts tcp format data of tcp protocol)

Please check whether this function can be implemented through php (php directly accepts tcp format data of tcp protocol). can php directly accept tcp format data of tcp protocol, I don't know if the call is correct.) the alarm is connected to the

PHP development Notes Series (5)-INI file explanation

PHP development Notes Series (5)-INI file explanation ??? In JAVA development, we often use the properties file to save the configuration information required for the entire project, such as the database connection string, user name, password, and

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