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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Singleton class instantiated by Jetpack_Searc_Debug_Bar::instance() that handles  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * rendering the Jetpack Search debug bar menu item and panel.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                class Jetpack_Search_Debug_Bar extends Debug_Bar_Panel { | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Holds singleton instance  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @var Jetpack_Search_Debug_Bar  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	protected static $instance = null;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Holds an instance of Jetpack_Search  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @var Jetpack_Search  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	private $jetpack_search;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * The title to use in the debug bar navigation  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @var string  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public $title;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Constructor  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function __construct() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->title( esc_html__( 'Jetpack Search', 'jetpack' ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->jetpack_search = Jetpack_Search::instance();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Returns the singleton instance of Jetpack_Search_Debug_Bar  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @return Jetpack_Search_Debug_Bar  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function instance() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( is_null( self::$instance ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			self::$instance = new Jetpack_Search_Debug_Bar();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return self::$instance;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Enqueues styles for our panel in the debug bar  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @return void  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function enqueue_scripts() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		wp_enqueue_style(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			'jetpack-search-debug-bar',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			plugins_url( '3rd-party/debug-bar/debug-bar.css', JETPACK__PLUGIN_FILE )  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		wp_enqueue_script(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			'jetpack-search-debug-bar',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			plugins_url( '3rd-party/debug-bar/debug-bar.js', JETPACK__PLUGIN_FILE ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			array( 'jquery' )  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		);  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Should the Jetpack Search Debug Bar show?  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Since we've previously done a check for the search module being activated, let's just return true.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Later on, we can update this to only show when `is_search()` is true.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @return boolean  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function is_visible() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return true;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Renders the panel content  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @return void  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function render() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$last_query_info = $this->jetpack_search->get_last_query_info();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// If not empty, let's reshuffle the order of some things.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( ! empty( $last_query_info ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$args     = $last_query_info['args'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$response = $last_query_info['response'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$response_code = $last_query_info['response_code'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			unset( $last_query_info['args'] );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			unset( $last_query_info['response'] );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			unset( $last_query_info['response_code'] );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if ( is_null( $last_query_info['es_time'] ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$last_query_info['es_time'] = esc_html_x(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'cache hit',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'displayed in search results when results are cached',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'jetpack'  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$temp = array_merge(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				array( 'response_code' => $response_code ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				array( 'args' => $args ),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$last_query_info,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				array( 'response' => $response )  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$last_query_info = $temp;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		?>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		<div class="jetpack-search-debug-bar">  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			<h2><?php esc_html_e( 'Last query information:', 'jetpack' ); ?></h2>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			<?php if ( empty( $last_query_info ) ) : ?>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					<?php echo esc_html_x( 'None', 'Text displayed when there is no information', 'jetpack' ); ?>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			<?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				else :  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					foreach ( $last_query_info as $key => $info ) :  | 
            
                            
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                					?>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						<h3><?php echo esc_html( $key ); ?></h3>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					<?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					if ( 'response' !== $key && 'args' !== $key ) :  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					?>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						<pre><?php print_r( esc_html( $info ) ); ?></pre>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					<?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					else :  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$this->render_json_toggle( $info );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					endif;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					?>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					<?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    134
                 | 
                                    
                                                     | 
                
                 | 
                					endforeach;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    135
                 | 
                                    
                                                     | 
                
                 | 
                			endif;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    136
                 | 
                                    
                                                     | 
                
                 | 
                			?>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    137
                 | 
                                    
                                                     | 
                
                 | 
                		</div><!-- Closes .jetpack-search-debug-bar -->  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                		<?php  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                	 * Responsible for rendering the HTML necessary for the JSON toggle  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                	 *  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                	 * @param array $value The resonse from the API as an array.  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                	 * @return void  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                	public function render_json_toggle( $value ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                	?>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                		<div class="json-toggle-wrap">  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                			<pre class="json"><?php echo wp_json_encode( $value ); ?></pre>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                			<span class="pretty toggle"><?php echo esc_html_x( 'Pretty', 'label for formatting JSON', 'jetpack' ); ?></span>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                			<span class="ugly toggle"><?php echo esc_html_x( 'Minify', 'label for formatting JSON', 'jetpack' ); ?></span>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                		</div>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                	<?php  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                	}  | 
            
            
                                                        
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                        
There are different options of fixing this problem.
If you want to be on the safe side, you can add an additional type-check:
If you are sure that the expression is traversable, you might want to add a doc comment cast to improve IDE auto-completion and static analysis:
Mark the issue as a false-positive: Just hover the remove button, in the top-right corner of this issue for more options.