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<?php |
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/* |
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* This file is part of the webmozart/console package. |
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* |
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* (c) Bernhard Schussek <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Webmozart\Console\Util; |
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/** |
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* Sets and resets the PHP process title. |
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* |
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* @since 1.0 |
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* |
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* @author Bernhard Schussek <[email protected]> |
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*/ |
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class ProcessTitle |
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{ |
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/** |
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* @var bool |
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*/ |
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private static $supported; |
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/** |
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* @var string[] |
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*/ |
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private static $processTitles = array(); |
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/** |
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* Returns whether process titles can be set. |
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* |
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* @return bool Returns `true` if process titles can be set and `false` |
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* otherwise. |
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*/ |
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public static function isSupported() |
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{ |
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if (null === self::$supported) { |
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self::$supported = function_exists('cli_set_process_title') || function_exists('setproctitle'); |
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} |
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return self::$supported; |
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} |
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/** |
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* Sets the title of the PHP process. |
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* |
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* @param string $processTitle The process title. |
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*/ |
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public static function setProcessTitle($processTitle) |
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{ |
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self::$processTitles[] = $processTitle; |
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self::changeProcessTitleTo($processTitle); |
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} |
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/** |
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* Resets the title of the PHP process to the previous value. |
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*/ |
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public static function resetProcessTitle() |
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{ |
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$processTitle = self::$processTitles ? array_pop(self::$processTitles) : null; |
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self::changeProcessTitleTo($processTitle); |
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} |
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private static function changeProcessTitleTo($processTitle) |
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{ |
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if (function_exists('cli_set_process_title')) { |
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cli_set_process_title($processTitle); |
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} elseif (function_exists('setproctitle')) { |
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setproctitle($processTitle); |
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} |
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} |
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private function __construct() |
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{ |
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} |
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} |
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