protected function getChars(array $strings)
	{
		$chars = [];
		foreach ($strings as $k => $string)
		{
			if ($this->isChar($string))
			{
				$chars[$k] = $string[0];
			}
		}

		return $chars;
	}
protected function getChars(array $strings)
	{
		$chars = [];
		foreach ($strings as $k => $string)
		{
			if ($this->isChar($string))
			{
				$chars[$k] = $string[0];
			}
		}

		return $chars;
	}
protected function getChars ( array $ strings ) { $ chars = [ ] ; foreach ( $ strings as $ k => $ string ) { if ( $ this -> isChar ( $ string ) ) { $ chars [ $ k ] = $ string [ 0 ] ; } } return $ chars ; }
Return the portion of strings that are composed of a single character

@param  array[]
@return array   String key => value
Return the portion of strings that are composed of a single character