How to prohibit execution of commands in php

How to disable command execution in php: first find and open the configuration file php.ini; then find the "disble_function" option; finally modify the content "disble_function=shell_exec, system, passthru" to disable the execution of the command.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

How to prohibit PHP from executing certain system commands ?

Many commands such as shell_exec, system, passthru, popen, etc. are system-related cooperation. If the virtual host is open to users, or if the system permissions are not fully set, it will inevitably Can cause a lot of damage.

To achieve this requirement, just set the disble_function option in php.ini to set instructions that prohibit execution.

Example:

disble_function = phpinfo

If you need multiple instructions, separate them with commas, such as:

disble_function = shell_exec, system, passthru, popen

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