PhabricatorScopedEnv.php
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	<?php

	/**
	* Scope guard to hold a temporary environment. See @{class:PhabricatorEnv} for
	* instructions on use.
	*
	* @task internal Internals
	* @task override Overriding Environment Configuration
	*/
	final class PhabricatorScopedEnv {

	private $key;
	private $isPopped = false;

	/* -( Overriding Environment Configuration )------------------------------- */

	/**
	* Override a configuration key in this scope, setting it to a new value.
	*
	* @param string Key to override.
	* @param wild New value.
	* @return this
	*
	* @task override
	*/
	public function overrideEnvConfig($key, $value) {
	PhabricatorEnv::overrideEnvConfig(
	$this->key,
	$key,
	$value);
	return $this;
	}


	/* -( Internals )---------------------------------------------------------- */


	/**
	*
	* @task internal
	*/
	public function __construct($stack_key) {
	$this->key = $stack_key;
	}


	/**
	* Release the scoped environment.
	*
	* @return void
	* @task internal
	*/
	public function __destruct() {
	if (!$this->isPopped) {
	PhabricatorEnv::popEnvironment($this->key);
	$this->isPopped = true;
	}
	}

	}