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/vendor/Microsoft/Console/Command/ParameterSource/Env.php

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PHP | 84 lines | 26 code | 6 blank | 52 comment | 8 complexity | 9d192524d00ce4381ab3ff5c955be359 MD5 | raw file
 1<?php
 2/**
 3 * Copyright (c) 2009 - 2011, RealDolmen
 4 * All rights reserved.
 5 *
 6 * Redistribution and use in source and binary forms, with or without
 7 * modification, are permitted provided that the following conditions are met:
 8 *     * Redistributions of source code must retain the above copyright
 9 *       notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above copyright
11 *       notice, this list of conditions and the following disclaimer in the
12 *       documentation and/or other materials provided with the distribution.
13 *     * Neither the name of RealDolmen nor the
14 *       names of its contributors may be used to endorse or promote products
15 *       derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY RealDolmen ''AS IS'' AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL RealDolmen BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * @category   Microsoft
29 * @package    Microsoft_Console
30 * @subpackage Exception
31 * @version    $Id: Exception.php 55733 2011-01-03 09:17:16Z unknown $
32 * @copyright  Copyright (c) 2009 - 2011, RealDolmen (http://www.realdolmen.com)
33 * @license    http://phpazure.codeplex.com/license
34 */
35
36/**
37 * @see Microsoft_AutoLoader
38 */
39require_once dirname(__FILE__) . '/../../../AutoLoader.php';
40
41/**
42 * @category   Microsoft
43 * @package    Microsoft_Console
44 * @copyright  Copyright (c) 2009 - 2011, RealDolmen (http://www.realdolmen.com)
45 * @license    http://phpazure.codeplex.com/license
46 */
47class Microsoft_Console_Command_ParameterSource_Env
48	implements Microsoft_Console_Command_ParameterSource_ParameterSourceInterface
49{
50	/**
51	 * Get value for a named parameter.
52	 * 
53	 * @param mixed $parameter Parameter to get a value for
54	 * @param array $argv Argument values passed to the script when run in console.
55	 * @return mixed
56	 */
57	public function getValueForParameter($parameter, $argv = array())
58	{
59		// Default value
60		$parameterValue = null;
61		
62		// Fetch value for parameter
63		foreach ($parameter->aliases as $alias) {
64			while (strpos($alias, '-') !== false) {
65				$alias = substr($alias, 1);
66			}
67			$value = getenv($alias);
68			
69			if (!is_null($value) && $value !== false) {
70				$parameterValue = $value;
71				break;
72			}
73		}
74		
75		if (strtolower($parameterValue) == 'true') {
76			$parameterValue = true;
77		} else if (strtolower($parameterValue) == 'false') {
78			$parameterValue = false;
79		}
80		
81		// Done!
82		return $parameterValue;
83	}
84}