How to use ini_set in php

This article mainly introduces how to use ini_set in php. It is very detailed and has a certain reference value. Friends who are interested must finish it!

The php ini_set function sets a value for a configuration option, and its syntax is "ini_set (string $varname, string $newvalue): string".

Operating environment of this article: Windows7 system, PHP7.1 version, Dell G3 computer

What is the use of php ini_set?

Php ini_set-sets the value for a configuration option

Description

Ini_set (string $varname, string $newvalue): string

Sets the value of the specified configuration option. This option maintains the new value while the script is running and is restored at the end of the script.

Parameter varname: not all valid options can be changed with ini_set (). Here is an appendix to the list of valid options.

Newvalue: new value for the option.

Return value: the old value is returned on success and false on failure.

Example:

Set an ini option

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