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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class Jetpack_JSON_API_User_Create_Endpoint extends Jetpack_JSON_API_Endpoint { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	protected $needed_capabilities = 'create_users';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $user_data;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	function result() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->create_or_get_user();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	function validate_input( $object ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->user_data = $this->input();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		if ( empty( $this->user_data ) ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			return new WP_Error( 'input_error', __( 'user_data is required', 'jetpack' ) );  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		if ( ! isset( $this->user_data[ 'email' ] ) ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			return new WP_Error( 'input_error', __( 'user email is required', 'jetpack' ) );  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		if ( ! isset( $this->user_data[ 'login' ] ) ) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                			return new WP_Error( 'input_error', __( 'user login is required', 'jetpack' ) );  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		return parent::validate_input( $object );  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	function create_or_get_user() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		require_once JETPACK__PLUGIN_DIR . 'modules/sso/class.jetpack-sso-helpers.php';  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// Check for an existing user  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$user = get_user_by( 'email', $this->user_date['email'] );  | 
            
                            
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                		if ( ! $user ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$user = Jetpack_SSO_Helpers::generate_user( (object) $this->user_data );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( ! $user ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $this->get_user( $user->ID );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                View Code Duplication | 
                	public function get_user( $user_id ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$the_user = $this->get_author( $user_id, true );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( $the_user && ! is_wp_error( $the_user ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$userdata = get_userdata( $user_id );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$the_user->roles = ! is_wp_error( $userdata ) ? $userdata->roles : array();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return $the_user;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: