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phpgdgdlib

PHP/GD: Image rotation gone wild

I am trying to rotate an image through GD Library and a database value:

// Image for rotating
 $image = 'images/weather-icons/windDir.png';

 //degrees from database
 $degrees = $row[WindDirDegrees];




 // Create the canvas
 $source = imagecreatefrompng($image) ;

 // Rotate the image
 $rotate = imagerotate($source, $degrees, 0) ;

 // Outputs 
 imagepng($rotate) ;

But all I get as output is a huge amount of "gibbergabber" symbols. Does anyone know why?

Solution

  • You are missing header('Content-Type: image/png');

    See: http://www.php.net/manual/en/function.imagepng.php