code: public function getGlyphNames(){
  
  		$glyphNames = array();
  		foreach($this->font->getGlyphs() as $glyph){
  			$glyphNames[static::unicodeToHex($glyph['char'])] = empty($glyph['name']) ? null : $glyph['name'];
  		}
  		return $glyphNames;
  
  	}
docs: get glyph names
  
  @return array array with the characters (in hex) as keys and the glyph names as values