php man page for imagecreatefrompng

IMAGECREATEFROMPNG(3)							 1						     IMAGECREATEFROMPNG(3)

imagecreatefrompng - Create a new image from file or URL

SYNOPSIS
       resource imagecreatefrompng (string  $filename)

DESCRIPTION
       imagecreatefrompng(3) returns an image identifier representing the image obtained from the given filename.

       Tip

	      A  URL can be used as a filename with this function if the fopen wrappers have been enabled. See fopen(3) for more details on how to
	      specify the filename. See the "Supported Protocols and Wrappers" for links to information about what abilities the various  wrappers
	      have, notes on their usage, and information on any predefined variables they may provide.

PARAMETERS
	      o $filename
		- Path to the PNG image.

RETURN VALUES
       Returns an image resource identifier on success, FALSE on errors.

EXAMPLES
       Example #1

	      Example to handle an error during loading of a PNG

	      <?php
	      function LoadPNG($imgname)
	      {
		  /* Attempt to open */
		  $im = @imagecreatefrompng($imgname);

		  /* See if it failed */
		  if(!$im)
		  {
		      /* Create a blank image */
		      $im  = imagecreatetruecolor(150, 30);
		      $bgc = imagecolorallocate($im, 255, 255, 255);
		      $tc  = imagecolorallocate($im, 0, 0, 0);

		      imagefilledrectangle($im, 0, 0, 150, 30, $bgc);

		      /* Output an error message */
		      imagestring($im, 1, 5, 5, 'Error loading ' . $imgname, $tc);
		  }

		  return $im;
	      }

	      header('Content-Type: image/png');

	      $img = LoadPNG('bogus.image');

	      imagepng($img);
	      imagedestroy($img);
	      ?>

	      The above example will output something similar to:[NOT DISPLAYABLE MEDIA]imagecreatefrompng() example

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