Compile PHP into Apache static Kernel on Linux

There are two ways to integrate Apache into PHP: one is the DSO mode, which calls PHP as an external module of Apache, which increases the flexibility of Apache, but reduces the performance by 5%; another way is to compile PHP into the Apache kernel,

PHP string operations

We are learningPHP string operations (1) echo, print, printf, sprintf The first two functions are output strings. If there is a variable name in the string, it is replaced with its value.The last two functions are similar to C functions with the

New PHP learning variables and constants

In a process of change, the constant amount is calledConstantAnd the variable isVariableIs a sequential storage space with a name. Which of the following isPHPBasic knowledge of variables and constants. This tutorial introduces PHP variables in the

Common php array Functions

  In the php tutorial, arrays are powerful data types. They can do a lot of things and store different data types in an array. Below we list the common operations of arrays, sort and sort the array by key name. /* Common functions of Arrays**

FDF Documentation Support for PHP

fdf

The interaction on WWW means to fill in the table, click the submit button, and then get a definite result. Html and Http provide a mechanism to easily perform such operations through forms.PHP supports this mechanism in a very convenient way. The

PHP File Download (restricted download speed) implementation code

In php, file downloading will take advantage of the three main functions of header fopen fread, and there are also some auxiliary functions such as determining whether the file has file_exists is_file and so on, next, let's take a look at an

Retrieving and downloading image links in excess of the limit

In the past, I used to go to some wallpaper websites in windows, QQ albums for beautiful girls, or download images from a passionate beauty image website. I often need to right-click and "Save as". If I meet a classic image set, such repeated

Four confusing php text functions strstr strrchr substr stristr

In php, these four functions are often confusing. Take notes here. 1. strstr Strstr-displays the string to be searched and the subsequent string found for the first time. Case sensitive. Code List: [Php]// Strstr Function$ Email = 'ruxing1715 @ sina.

PHP function fwrite secure for binary files

PHP function fwrite-write a file (which can be safely used for binary files) Description Int fwrite (resource handle, string [, int length]) The PHP function fwrite writes the string content to the handle of the file pointer. If length is specified,

Introduction to several php post Data Acquisition Techniques

For an experienced (1) PHP obtains POST data when the form POST method is submitted $ _ POST and php: // input can get the value. $ HTTP_RAW_POST_DATA is empty.$ _ POST organizes submitted data in an associated array and performs encoding, such as

Introduction to Sina Weibo API development-user authorization (PHP basics)

  Now there are more and more people playing Weibo, and there are more and more third-party application development on Weibo. By accident, I began to contact Sina Weibo API development. There are many resources for Sina Weibo API development, sina

Php large file download program [http cache negotiation, Etag tag, resumable upload]

002 $ file_path = './download/download_cn.rar '; 003 004 // usage 005 downFile ($ file_path ); 006 007 // Server File Path, download file name (default: Server File name), permit user download method (optional by default), speed limit (automatically

In-depth analysis of the principle of password plus salt

We know that if the password is hashed directly, hackers can obtain the hash value of the password, and then query the hash value Dictionary (for example, MD5 password cracking website ), obtain the password of a user.Add Salt can solve this problem

In-depth discussion: solutions to Nginx 502 Bad Gateway errors

Max_children = 40, each children occupies 20 m-30m of memory on average. The more children, the more concurrency can be accepted at the same time. Generally, the value of children is the highest concurrency of the website + floating value, this

Solution to Cannot use a scalar value as an array in php

Today, when I was testing the php program, I encountered an error: Cannot use a scalar value as an array. The error message returned a few days ago. At that time, it seemed like I had fine-tuned it, I did not go deep into it, but today it appears

EzSQL PHP database operation class library

EzSQL:Download: ezSQLThe new version is 2.05, with many support added, including CodeIgniter, MSSQL, and PDO.I wrote CodeIgniter once, but only MySQL is supported.See examplesIn fact, there is no difficulty, just look at the source code directly,

Basic CAKEPHP tutorials

CAKEPHP is a system developed by the U.S. team. When you are looking for CAKEPHP materials, you can search for more accurate information by GOOGLE! Or go to the official website to check it! The official website is www.cakephp.org! First, let's

Prevention of a php Trojan with the smallest PHP webpage trojan in the world

Php webpage TrojanCopy codeThe Code is as follows:Header ("content-Type: text/html; charset = gb2312 ");If (get_magic_quotes_gpc () foreach ($ _ POST as $ k => $ v) $ _ POST [$ k] = stripslashes ($ v );?>Save file name: "> If (isset ($ _ POST

Solution to compatibility problem between Optimizer and Debugger

ZendExtensionManager. dll -- Zend extension plug-in ManagerZend extension plug-in Manager installation Tutorial:1. Install Zend Optimizer 3.3.0a: http://www.jb51.net/softs/9305.htmlIn this way, Zend Extension Manager v1.2.0 is installed and Zend

How to Use iconv functions in php

The iconv function library can convert character sets. It is an indispensable basic function library in php programming.1. Download The libiconv function library http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.9.2.tar.gz;2. Decompress tar-zxvf

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