How to install curl extension in php

Sometimes after php is installed, some extensions need to be added later without affecting the current work of php. We can only achieve this by dynamically adding extensions.

How to install curl extension in php:

1. First clarify some directories
1. The source code package directory is where the source code package files downloaded from the Internet are placed. Directory, which contains downloaded php, mysql, http and other source codes
For example: /usr/local/src/
2.PHP extension package path is the software package used by PHP to support extended services, usually in the php source code The ext directory of the package
For example:/usr/local/src/php-7.0.12/ext/
2. Start the installation
1. First install curl service, first download the curl source code package and put it in the source code package directory
Download the source code package

https://curl.haxx.se/download/  或  https://curl.haxx.se/download.html

#解压
    tar -zxvf curl-7.55.1.tar.gz
   
 #进入目录
    cd curl-7.55.1
    
#预编译（并指定安装位置）
    mkdir /usr/local/lib/curl
    ./configure --prefix=/usr/local/lib/curl/
   
 #安装
    make && make install

2. Install the curl extension of php, remember to precompile --with- curl = /usr/local/lib/curl is the directory where curl is installed above

 #进入 php 扩展包安装位置
    cd /usr/local/src/php-7.0.12/ext/curl
    #生成 configure 文件
    /usr/local/php/bin/phpize
    #预编译
    ./configure --with-php-config=/usr/local/php/bin/php-config  --with-curl=/usr/local/lib/curl
    #安装
    make && make install

3. After installation, it will prompt /usr/local/php/lib/ php/extensions/no-debug-zts-20151012/ Generated curl.so file
4. php.ini enables curl support

extension_dir="/usr/local/php/lib/php/extensions/no-debug-zts-20151012/ "
extension=curl.so 开启或者加上

5. Restart apache
There is also a more common way. Many commonly used extension template php source codes have been integrated, directly enter the php extension directory /usr/local/src/php-7.0.12/ext /
Find the curl directory, enter the directory, /usr/local/php/bin/phpize, and generate the configure file, ./configure --with-php-config=/usr/local/php/bin/php-config / /Compile, make&make install installation; then enable the extension in php.ini;

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