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<?php |
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/** |
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* Admin Page Framework |
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* |
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* http://admin-page-framework.michaeluno.jp/ |
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* Copyright (c) 2013-2020, Michael Uno; Licensed MIT |
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* |
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*/ |
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/** |
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* Collects data of page loads in admin pages. |
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* |
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* @since 2.1.7 |
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* @package AdminPageFramework/Common/Factory/Debug |
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* @internal |
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*/ |
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abstract class AdminPageFramework_PageLoadInfo_Base extends AdminPageFramework_FrameworkUtility { |
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public $oProp; |
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public $oMsg; |
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protected $_nInitialMemoryUsage; |
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/** |
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* Sets up hooks and properties. |
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*/ |
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public function __construct( $oProp, $oMsg ) { |
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if ( ! $this->_shouldProceed( $oProp ) ) { |
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return; |
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} |
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$this->oProp = $oProp; |
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$this->oMsg = $oMsg; |
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$this->_nInitialMemoryUsage = memory_get_usage(); |
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add_action( 'in_admin_footer', array( $this, '_replyToSetPageLoadInfoInFooter' ), 999 ); |
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} |
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/** |
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* @since 3.8.5 |
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* @return boolean |
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*/ |
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private function _shouldProceed( $oProp ) { |
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if ( $oProp->bIsAdminAjax || ! $oProp->bIsAdmin ) { |
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return false; |
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} |
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return ( boolean ) $oProp->bShowDebugInfo; |
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} |
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/** |
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* @remark Should be overridden in an extended class. |
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*/ |
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public function _replyToSetPageLoadInfoInFooter() {} |
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/** |
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* Indicates whether the page load info is inserted or not. |
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*/ |
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static private $_bLoadedPageLoadInfo = false; |
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/** |
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* Display gathered information. |
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* |
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* @param string $sFooterHTML |
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* @return string |
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* @internal |
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*/ |
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public function _replyToGetPageLoadInfo( $sFooterHTML ) { |
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// 3.8.8+ The `bShowDebugInfo` property may be updated by the user during the page load. |
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if ( ! $this->oProp->bShowDebugInfo ) { |
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return $sFooterHTML; |
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} |
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if ( self::$_bLoadedPageLoadInfo ) { |
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return $sFooterHTML; |
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} |
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self::$_bLoadedPageLoadInfo = true; |
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return $sFooterHTML |
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. $this->___getPageLoadStats(); |
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} |
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/** |
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* Returns the output of page load stats. |
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* @since 3.8.8 |
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* @return string |
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*/ |
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private function ___getPageLoadStats() { |
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$_nSeconds = timer_stop( 0 ); |
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$_nQueryCount = get_num_queries(); |
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$_iMemoryUsage = memory_get_usage(); |
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$_nMemoryUsage = round( $_iMemoryUsage, 2 ); |
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$_sMemoryUsage = $this->getReadableBytes( $_iMemoryUsage ); |
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$_nMemoryPeakUsage = round( memory_get_peak_usage(), 2 ); |
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$_sMemoryPeakUsage = $this->getReadableBytes( $_nMemoryPeakUsage ); |
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$_iMemoryLimit = $this->getNumberOfReadableSize( WP_MEMORY_LIMIT ); |
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$_sMemoryLimit = $this->getReadableBytes( $_iMemoryLimit ); |
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$_nMemoryLimit = round( $_iMemoryLimit, 2 ); |
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$_nInitialMemoryUsage = round( $this->_nInitialMemoryUsage, 2 ); |
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$_sInitialMemoryUsage = $this->getReadableBytes( $_nInitialMemoryUsage ); |
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return "<div id='admin-page-framework-page-load-stats'>" |
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. "<ul>" |
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. "<li>" . sprintf( $this->oMsg->get( 'queries_in_seconds' ), $_nQueryCount, $_nSeconds ) . "</li>" |
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. "<li>" . sprintf( $this->oMsg->get( 'out_of_x_memory_used' ), $_sMemoryUsage, $_sMemoryLimit, round( ( $_nMemoryUsage / $_nMemoryLimit ), 2 ) * 100 . '%' ) . "</li>" |
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. "<li>" . sprintf( $this->oMsg->get( 'peak_memory_usage' ), $_sMemoryPeakUsage ) . "</li>" |
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. "<li>" . sprintf( $this->oMsg->get( 'initial_memory_usage' ), $_sInitialMemoryUsage ) . "</li>" |
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. "</ul>" |
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. "</div>"; |
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} |
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} |
michaeluno /
admin-page-framework
