protected function isLegalProp($name)
	{
		/**
		* @link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Reserved_Words
		* @link http://www.crockford.com/javascript/survey.html
		*/
		$reserved = ['abstract', 'boolean', 'break', 'byte', 'case', 'catch', 'char', 'class', 'const', 'continue', 'debugger', 'default', 'delete', 'do', 'double', 'else', 'enum', 'export', 'extends', 'false', 'final', 'finally', 'float', 'for', 'function', 'goto', 'if', 'implements', 'import', 'in', 'instanceof', 'int', 'interface', 'let', 'long', 'native', 'new', 'null', 'package', 'private', 'protected', 'public', 'return', 'short', 'static', 'super', 'switch', 'synchronized', 'this', 'throw', 'throws', 'transient', 'true', 'try', 'typeof', 'var', 'void', 'volatile', 'while', 'with'];

		if (in_array($name, $reserved, true))
		{
			return false;
		}

		return (bool) preg_match('#^(?![0-9])[$_\\pL][$_\\pL\\pNl]+$#Du', $name);
	}
protected function isLegalProp($name)
	{
		/**
		* @link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Reserved_Words
		* @link http://www.crockford.com/javascript/survey.html
		*/
		$reserved = ['abstract', 'boolean', 'break', 'byte', 'case', 'catch', 'char', 'class', 'const', 'continue', 'debugger', 'default', 'delete', 'do', 'double', 'else', 'enum', 'export', 'extends', 'false', 'final', 'finally', 'float', 'for', 'function', 'goto', 'if', 'implements', 'import', 'in', 'instanceof', 'int', 'interface', 'let', 'long', 'native', 'new', 'null', 'package', 'private', 'protected', 'public', 'return', 'short', 'static', 'super', 'switch', 'synchronized', 'this', 'throw', 'throws', 'transient', 'true', 'try', 'typeof', 'var', 'void', 'volatile', 'while', 'with'];

		if (in_array($name, $reserved, true))
		{
			return false;
		}

		return (bool) preg_match('#^(?![0-9])[$_\\pL][$_\\pL\\pNl]+$#Du', $name);
	}
protected function isLegalProp ( $ name ) { /**
		* @link https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Reserved_Words
		* @link http://www.crockford.com/javascript/survey.html
		*/ $ reserved = [ 'abstract' , 'boolean' , 'break' , 'byte' , 'case' , 'catch' , 'char' , 'class' , 'const' , 'continue' , 'debugger' , 'default' , 'delete' , 'do' , 'double' , 'else' , 'enum' , 'export' , 'extends' , 'false' , 'final' , 'finally' , 'float' , 'for' , 'function' , 'goto' , 'if' , 'implements' , 'import' , 'in' , 'instanceof' , 'int' , 'interface' , 'let' , 'long' , 'native' , 'new' , 'null' , 'package' , 'private' , 'protected' , 'public' , 'return' , 'short' , 'static' , 'super' , 'switch' , 'synchronized' , 'this' , 'throw' , 'throws' , 'transient' , 'true' , 'try' , 'typeof' , 'var' , 'void' , 'volatile' , 'while' , 'with' ] ; if ( in_array ( $ name , $ reserved , true ) ) { return false ; } return ( bool ) preg_match ( '#^(?![0-9])[$_\\pL][$_\\pL\\pNl]+$#Du' , $ name ) ; }
Test whether a string can be used as a property name, unquoted

@link http://es5.github.io/#A.1

@param  string $name Property's name
@return bool
Test whether a string can be used as a property name unquoted