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<?php
header ("Content-type: image/png");
$text = "Bounding Box!";
$font_size = 15;
$height = 500;
$width = 300;
$im = ImageCreate ($width, $height);
$grey = ImageColorAllocate ($im, 230, 230, 230);
$black = ImageColorAllocate ($im, 0, 0, 0);
$text_bbox = ImageTTFBBox($font_size, 0, "ARIALBD.TTF", $text);
$image_center = $width / 2;
$text_x = $image_center - round(($text_bbox[4]/2));
ImageTTFText($im, $font_size, 0, $text_x, 10, $black, "ARIALBD.TTF", $text);
ImagePng ($im);
ImageDestroy ($im);
?>
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