Get text height, width

  1. define("F_SIZE", 8);
  2. define("F_FONT", "arial.ttf");
  3.  
  4.  
  5. function get_bbox($text){
  6.  return imagettfbbox(F_SIZE, 0, F_FONT, $text);
  7.  }
  8.  
  9. function text_height ($text) {
  10.  $box = get_bbox($text);
  11.  $height = $box[3] - $box[5];
  12.  return $height;
  13.  }
  14.  
  15. function text_width ($text) {
  16.  $box = get_bbox($text);
  17.  $width = $box[4] - $box[6];
  18.  return $width;
  19.  }

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