protected function isSingleCharStringList(array $strings)
	{
		foreach ($strings as $string)
		{
			if (!$this->isSingleCharString($string))
			{
				return false;
			}
		}

		return true;
	}
protected function isSingleCharStringList(array $strings)
	{
		foreach ($strings as $string)
		{
			if (!$this->isSingleCharString($string))
			{
				return false;
			}
		}

		return true;
	}
protected function isSingleCharStringList ( array $ strings ) { foreach ( $ strings as $ string ) { if ( ! $ this -> isSingleCharString ( $ string ) ) { return false ; } } return true ; }
Test whether given list of strings contains nothing but single-char strings

@param  array[] $strings
@return bool
Test whether given list of strings contains nothing but single - char strings