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<?php |
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/** |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with this program; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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* http://www.gnu.org/copyleft/gpl.html |
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* |
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* @file |
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*/ |
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/** |
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* Convenience class for working with XHProf |
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* <https://github.com/phacility/xhprof>. XHProf can be installed as a PECL |
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* package for use with PHP5 (Zend PHP) and is built-in to HHVM 3.3.0. |
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* |
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* @since 1.28 |
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*/ |
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class Xhprof { |
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/** |
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* @var bool $enabled Whether XHProf is currently running. |
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*/ |
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protected static $enabled; |
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/** |
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* Start xhprof profiler |
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*/ |
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public static function isEnabled() { |
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return self::$enabled; |
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} |
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/** |
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* Start xhprof profiler |
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*/ |
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public static function enable( $flags = 0, $options = [] ) { |
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if ( self::isEnabled() ) { |
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throw new Exception( 'Xhprof profiling is already enabled.' ); |
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} |
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self::$enabled = true; |
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xhprof_enable( $flags, $options ); |
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} |
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/** |
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* Stop xhprof profiler |
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* |
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* @return array|null xhprof data from the run, or null if xhprof was not running. |
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*/ |
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public static function disable() { |
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if ( self::isEnabled() ) { |
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self::$enabled = false; |
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return xhprof_disable(); |
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} |
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} |
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} |
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wikimedia /
mediawiki
