How to generate installation files in php

1. Principles and steps for making a PHP installation program:

Check the permissions of the directory or file->Modify or add the configuration file- >Check the correctness of the configuration file->Import database->Lock or delete the file

Principle:

Import the structural content of the database into the corresponding database. From this process Reconfigure the parameters and files for connecting to the database. In order to ensure that the installation file is not maliciously used by others, you need to modify the installation file after the installation is completed.

Related recommendations: "php environment construction"

2. Make PHP functions used for installation

is_writable(" data/config.php");

is_writable() checks whether the file is writable and is used to determine file permissions. Similar functions also include is_readable() to check whether the file is readable and returns a Boolean value

fopen() file operation function, open a file or create a new one

fwrite() file operation function, write content to the file

rename() file operation function, rename the file

3. Precautions for production and installation

1. Check file permissions and related folders, such as cache, generated files, and configuration files.

2. The installation file is as independent as possible and can be deleted and renamed.

3. When importing the database, you need to check:

a. Check whether there are permissions for the created database

b. Whether the database with the same name exists

c. Consider whether the size of the database import is processed in segments

4. Check the configuration environment

The support of various modules, such as: gd2, pdo, rewrite, etc.

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