php man page for imagecreatefromjpeg

IMAGECREATEFROMJPEG(3)							 1						    IMAGECREATEFROMJPEG(3)

imagecreatefromjpeg - Create a new image from file or URL

SYNOPSIS
       resource imagecreatefromjpeg (string  $filename)

DESCRIPTION
       imagecreatefromjpeg(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 JPEG 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 JPEG

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

		  /* See if it failed */
		  if(!$im)
		  {
		      /* Create a black 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/jpeg');

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

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

	      The  above  example  will  output  something similar to:[NOT DISPLAYABLE MEDIA]Output of example : Example to handle an error during
	      loading of a JPEG

NOTES
       Note

	      JPEG support is only available if PHP was compiled against GD-1.8 or later.

PHP Documentation Group 												    IMAGECREATEFROMJPEG(3)