php man page for imagegd

IMAGEGD(3)								 1								IMAGEGD(3)

imagegd - Output GD image to browser or file

SYNOPSIS
       bool imagegd (resource  $image, [string	$filename])

DESCRIPTION
	Outputs a GD image to the given $filename.

PARAMETERS
	      o $
		image -An image resource, returned by one of the image creation functions, such as imagecreatetruecolor(3).

	      o $filename
		-The path to save the file to. If not set or NULL, the raw image stream will be outputted directly.

RETURN VALUES
	Returns TRUE on success or FALSE on failure.

EXAMPLES
       Example #1

	      Outputting a GD image

	      <?php
	      // Create a blank image and add some text
	      $im = imagecreatetruecolor(120, 20);
	      $text_color = imagecolorallocate($im, 233, 14, 91);
	      imagestring($im, 1, 5, 5,  "A Simple Text String", $text_color);

	      // Output the image
	      imagegd($im);

	      // Free up memory
	      imagedestroy($im);
	      ?>

       Example #2

	      Saving a GD image

	      <?php
	      // Create a blank image and add some text
	      $im = imagecreatetruecolor(120, 20);
	      $text_color = imagecolorallocate($im, 233, 14, 91);
	      imagestring($im, 1, 5, 5,  "A Simple Text String", $text_color);

	      // Save the gd image
	      // The file format for GD images is .gd, see http://www.libgd.org/GdFileFormats
	      imagegd($im, 'simple.gd');

	      // Free up memory
	      imagedestroy($im);
	      ?>

NOTES
       Note

	       The  GD	format	is commonly used to allow fast loading of parts of images. Note that the GD format is only usable in GD-compatible
	      applications.

SEE ALSO
       imagegd2(3).

PHP Documentation Group 														IMAGEGD(3)