Function setOption

Stores an option value.

Package: functions
Located at functions-basic.php

Parameters summary
`string`	`$key`	name of the option.
`mixed`	`$value`	new value of the option.
`boolean`	`$persistent = true`	set to false if the option is stored in memory only. Otherwise it is preserved in the database
`string`	`$creator = NULL`	<p>name of the creator the option belongs to. Normally NULL for backend core options. "zp-core/zp-extensions/<plugin>.php" for official plugin and /plugins/<plugin>.php for user plugin options</p>