How to install fileinfo extension in php7

How to install the fileinfo extension for php7: 1. Download and install php7; 2. Enter the PHP7 installation directory and open the configuration file "php.ini"; 3. In the configuration file, add "extension=fileinfo. so;" code and save the file; 4. Restart PHP.

The operating environment of this tutorial: CentOS 6 system, PHP version 7.1, Dell G3 computer.

First make sure to install php7, if not, install it:

Download php7 source code

wget https://www.php.net/distributions/php-7.3.9.tar.bz2

Unzip

tar -xvf php-7.3.9.tar.bz2
cd php-7.3.9/ext/fileinfo/

Compile starts

phpize

./configure --with-php-config=/usr/local/php/bin/php-config
 //注意 --with-php-config = php-config文件所在目录
//如果不知道 --with-php-config目录可以通过下面命令获取
whereis php-config

sudo make &&sudo make install

Install the fileinfo extension

Modify the php.ini file

//不管这个文件存在或者不存在
sudo vi /usr/local/php/etc/php.ini 

//写入这句话
extension=fileinfo.so;

Then restart php

Verify whether the installation is successful

Enter the following command to test whether the installation is successful

php -m | grep 'file' 
//执行后出现 fileinfo 则代表成功

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