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                <?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Function definition finder script.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package automattic/jetpack-analyzer  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Automattic\Jetpack\Analyzer;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Composer\Script\Event;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This class holds the callback for the WordPress API function definition finder.  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                class CoreDefinitions { | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * A static method to handle the Composer script call that  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * triggers a WordPress Core code scan for function and method definitions.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @param Composer\Script\Event $event a script call event.  | 
            
                            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function callback( Event $event ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$arguments = $event->getArguments();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$scan_path = isset( $arguments[0] ) ? $arguments[0] : null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$io        = $event->getIO();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( is_null( $scan_path ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$io->writeError( 'WordPress Core path is required for this script to work. Pass it as the argument.' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$io->write( "Find invocations\n" );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		try { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$declarations = self::get_declarations( $scan_path );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			foreach ( $declarations->get() as $declaration ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				if ( $declaration instanceof Declarations\Function_ ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					$io->write(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$declaration->func_name . ', ' .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$declaration->path . ', ' .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$declaration->line  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					);  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                				} elseif ( $declaration instanceof Declarations\Class_Property ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					$io->write(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$declaration->class_name . '::' . $declaration->prop_name . ', ' .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$declaration->path . ', ' .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$declaration->line  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				} elseif ( $declaration instanceof Declarations\Class_Method ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					$io->write(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$declaration->class_name . '::' . $declaration->method_name . ', ' .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$declaration->path . ', ' .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$declaration->line  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					);  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                				} elseif ( $declaration instanceof Declarations\Class_Const ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					$io->write(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$declaration->class_name . '::' . $declaration->const_name . ', ' .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$declaration->path . ', ' .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$declaration->line  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		} catch ( Exception $e ) { | 
            
                            
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                			$io->writeError( 'Exception caught' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$io->writeError( $e->getMessage() );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Returns an object containing found WordPress core declarations in the scan path.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * Note: the function simply filters out declarations that are of no interest to us,  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * not really performing any further analysis.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @param String $scan_path the file path to scan for declarations in.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @return \Automattic\Jetpack\Analyzer\Declarations $declarations object.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 * @throws \Exception $exception on an unhandled declaration found.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function get_declarations( string $scan_path ) { // phpcs:ignore PHPCompatibility | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$core_declarations = new Declarations();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$core_declarations->scan( $scan_path );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$filtered_declarations = new Declarations();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		foreach ( $core_declarations->get() as $declaration ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if ( $declaration instanceof Declarations\Class_ ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				// We are not interested in class definitions.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				continue;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			} elseif (  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$declaration instanceof Declarations\Class_Property  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				&& ! $declaration->static  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				// We are not interested in properties of objects if they are not static.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				continue;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			} elseif (  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$declaration instanceof Declarations\Class_Method  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				&& ! $declaration->static  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				// We are not interested in methods of objects if they are not static.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				continue;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			} elseif (  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				! (  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					$declaration instanceof Declarations\Function_  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					|| $declaration instanceof Declarations\Class_Property  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					|| $declaration instanceof Declarations\Class_Method  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					|| $declaration instanceof Declarations\Class_Const  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				throw new \Exception( 'Unhandled declaration of type ' . get_class( $declaration ) );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$filtered_declarations->add( $declaration );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $filtered_declarations;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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This check looks for
@paramannotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.