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# PEAR_Config::set()

PEAR_Config::set() -- Set config value in specific layer

## Synopsis

    require_once 'PEAR/config.php';

``bool PEAR_Config::set` (string $key, string $value [, string $layer = 'user'])`

## Description

Set a config value in a specific layer (defaults to `'user'`). Enforces the types defined in the configuration_info array. An integer config variable will be cast to int, and a set config variable will be validated against its legal values.

## Parameter

string `$key`

  config key

string `$value`

  config value

string `$layer`

  config layer

## Return value

`bool` - Returns `TRUE` on success, `FALSE` on failure.

## Note

This function can not be called statically.

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