| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace GeminiLabs\Castor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | class Normalizer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | 	const BOOLEAN_ATTRIBUTES = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | 		'autofocus', 'capture', 'checked', 'disabled', 'draggable', 'formnovalidate', 'hidden', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | 		'multiple', 'novalidate', 'readonly', 'required', 'selected', 'spellcheck', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | 		'webkitdirectory', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | 	]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | 	const FORM_ATTRIBUTES = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | 		'accept', 'accept-charset', 'action', 'autocapitalize', 'autocomplete', 'enctype', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | 		'method', 'name', 'novalidate', 'target', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | 	]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | 	const GLOBAL_ATTRIBUTES = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | 		'accesskey', 'class', 'contenteditable', 'contextmenu', 'dir', 'draggable', 'dropzone', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | 		'hidden', 'id', 'lang', 'spellcheck', 'style', 'tabindex', 'title', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | 	]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | 	const GLOBAL_WILDCARD_ATTRIBUTES = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | 		'aria-', 'data-', 'item', 'on', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | 	]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | 	const INPUT_ATTRIBUTES = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | 		'accept', 'autocapitalize', 'autocomplete', 'autocorrect', 'autofocus', 'capture', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | 		'checked', 'disabled', 'form', 'formaction', 'formenctype', 'formmethod', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | 		'formnovalidate', 'formtarget', 'height', 'incremental', 'inputmode', 'list', 'max', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | 		'maxlength', 'min', 'minlength', 'mozactionhint', 'multiple', 'name', 'pattern', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | 		'placeholder', 'readonly', 'required', 'results', 'selectionDirection', 'size', 'src', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | 		'step', 'type', 'value', 'webkitdirectory', 'width', 'x-moz-errormessage', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | 	]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | 	const INPUT_TYPES = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | 		'button', 'checkbox', 'color', 'date', 'datetime', 'datetime-local', 'email', 'file', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | 		'hidden', 'image', 'max', 'min', 'month', 'number', 'password', 'radio', 'range', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | 		'reset', 'search', 'step', 'submit', 'tel', 'text', 'time', 'url', 'value', 'week', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 	]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  | 	const SELECT_ATTRIBUTES = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  | 		'autofocus', 'disabled', 'form', 'multiple', 'name', 'required', 'size', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | 	]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | 	const TEXTAREA_ATTRIBUTES = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | 		'autocapitalize', 'autocomplete', 'autofocus', 'cols', 'disabled', 'form', 'maxlength', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | 		'minlength', 'name', 'placeholder', 'readonly', 'required', 'rows', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | 		'selectionDirection', 'selectionEnd', 'selectionStart', 'wrap', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | 	]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | 	 * @var array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | 	protected $args; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  | 	public function __construct( array $args = [] ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 		$this->args = $args; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | 	 * Normalize form attributes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  | 	 * @return array|string | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 66 |  |  | 	 */ | 
            
                                                                        
                            
            
                                    
            
            
                | 67 |  |  | 	public function form( array $args = [], $implode = false ) | 
            
                                                                        
                            
            
                                    
            
            
                | 68 |  |  | 	{ | 
            
                                                                        
                            
            
                                    
            
            
                | 69 |  |  | 		$attributes = $this->parseAttributes( self::FORM_ATTRIBUTES, $args ); | 
            
                                                                        
                            
            
                                    
            
            
                | 70 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 71 |  |  | 		return $this->maybeImplode( $attributes, $implode ); | 
            
                                                                        
                            
            
                                    
            
            
                | 72 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | 	 * Normalize input attributes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | 	 * @return array|string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 	public function input( array $args = [], $implode = false ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | 		$this->filterInputType(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | 		$attributes = $this->parseAttributes( self::INPUT_ATTRIBUTES, $args ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | 		return $this->maybeImplode( $attributes, $implode ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | 	 * Possibly implode attributes into a string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | 	 * @param bool|string $implode | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | 	 * @return array|string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 	public function maybeImplode( array $attributes, $implode = true ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  | 		if( !$implode || $implode !== 'implode' ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  | 			return $attributes; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 		$results = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 		foreach( $attributes as $key => $value ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  | 			// if data attributes, use single quotes in case of json encoded values | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  | 			$quotes = false !== stripos( $key, 'data-' ) ? "'" : '"'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | 			if( is_array( $value )) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | 				$value = json_encode( $value ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | 				$quotes = "'"; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  | 			$results[] = is_string( $key ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | 				? sprintf( '%1$s=%3$s%2$s%3$s', $key, $value, $quotes ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | 				: $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  | 		return implode( ' ', $results ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  | 	 * Normalize select attributes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 	 * @return array|string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 	public function select( array $args = [], $implode = false ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 		$attributes = $this->parseAttributes( self::SELECT_ATTRIBUTES, $args ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  | 		return $this->maybeImplode( $attributes, $implode ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | 	 * Normalize textarea attributes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  | 	 * @return array|string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  | 	public function textarea( array $args = [], $implode = false ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  | 		$attributes = $this->parseAttributes( self::TEXTAREA_ATTRIBUTES, $args ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  | 		return $this->maybeImplode( $attributes, $implode ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  | 	 * Filter attributes by the provided attrribute keys and remove any non-boolean keys | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  | 	 * with empty values | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  | 	 * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  | 	 * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  | 	protected function filterAttributes( array $attributeKeys ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  | 		$filtered = array_intersect_key( $this->args, array_flip( $attributeKeys )); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  | 		// normalize truthy boolean attributes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  | 		foreach( $filtered as $key => $value ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  | 			if( !in_array( $key, self::BOOLEAN_ATTRIBUTES ))continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  | 			if( $value !== false ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  | 				$filtered[ $key ] = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  | 				continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  | 			unset( $filtered[ $key ] ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  | 		$filteredKeys = array_filter( array_keys( $filtered ), function( $key ) use ( $filtered ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  | 			return !( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  | 				empty( $filtered[ $key ] ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  | 				&& !is_numeric( $filtered[ $key ] ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  | 				&& !in_array( $key, self::BOOLEAN_ATTRIBUTES ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  | 			); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  | 		}); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  | 		return array_intersect_key( $filtered, array_flip( $filteredKeys )); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  | 	 * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  | 	protected function filterGlobalAttributes() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  | 		$global = $this->filterAttributes( self::GLOBAL_ATTRIBUTES ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  | 		$wildcards = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  | 		foreach( self::GLOBAL_WILDCARD_ATTRIBUTES as $wildcard ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  | 			foreach( $this->args as $key => $value ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  | 				$length = strlen( $wildcard ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  | 				$result = substr( $key, 0, $length) === $wildcard; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  | 				if( $result ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  | 					// only allow data attributes to have an empty value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  | 					if( $wildcard != 'data-' && empty( $value ))continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  | 					if( is_array( $value )) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  | 						if( $wildcard != 'data-' )continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  | 						$value = json_encode( $value ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  | 					} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  | 					$wildcards[ $key ] = $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  | 				} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  | 			} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  | 		return array_merge( $global, $wildcards ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  | 	 * @return void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  | 	protected function filterInputType() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  | 		if( !isset( $this->args['type'] ) || !in_array( $this->args['type'], $this->inputTypes )) { | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  | 			$this->args['type'] = 'text'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  | 	/** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  | 	 * @return array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  | 	 */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  | 	protected function parseAttributes( array $attributes, array $args = [] ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  | 	{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  | 		if( !empty( $args )) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  | 			$this->args = array_change_key_case( $args ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  | 		$global = $this->filterGlobalAttributes(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  | 		$local  = $this->filterAttributes( $attributes ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  | 		return array_merge( $global, $local ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  | 	} | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 231 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 232 |  |  |  | 
            
                        
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: