How to install fileinfo extension in PHP

The fileinfo function under PHP obtains the MIME information of the file by looking for a specific magic byte sequence at a given location in the file. Let's learn with the editor how to install the fileinfo extension.

PHP installation fileinfo extension steps:

The first step is to view the source code path of fileinfo

Command:

find / -name fileinfo

Result:/home/soft/php-7.1.3/ext/fileinfo

The second step is to enter the source code location

Command:

cd /home/soft/php-7.1.3/ext/fileinfo

The third step is to execute the phpize command

Command:

/usr/local/php/bin/phpize

The fourth step is to execute configure configuration

Command:

./configure --with-php-config=/usr/local/php/bin/php-config

(If the prompt php-config command does not exist configure: error: Cannot find php-config. Please use --with-php-config=PATH)

You can execute yum install php-devel to install php-devel. After the installation is complete, execute this command

The fifth step compiles and installs

Command:

make && make install

The sixth step modifies the PHP configuration file

Modify the php.ini file and add

extension=fileinfo.so

Seven steps to restart nginx and php

nginx restart command:

systemctl restart nginx

php restart command:

systemctl restart php-fpm

(Note: check the process number before and after restarting to see if the restart is successful)

Recommended learning: php video tutorial

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