rrd_graph(3) [php man page]

RRD_GRAPH(3)								 1							      RRD_GRAPH(3)

rrd_graph - Creates image from a data.

SYNOPSIS

       array rrd_graph (string	$filename, array  $options)

DESCRIPTION

	Creates image for a particular data from RRD file.

PARAMETERS

	      o $filename
		-  The	filename to output the graph to. This will generally end in either .png, .svg or .eps, depending on the format you want to
		output.

	      o $options
		- Options for generating image. See man page of rrd graph for all possible options. All options (data definitions, variable defin-
		tions, etc.) are allowed.

RETURN VALUES

	Array with information about generated image is returned, FALSE when error occurs.

PHP Documentation Group 													      RRD_GRAPH(3)

IMAGECREATEFROMSTRING(3)						 1						  IMAGECREATEFROMSTRING(3)

imagecreatefromstring - Create a new image from the image stream in the string

SYNOPSIS

       resource imagecreatefromstring (string  $image)

DESCRIPTION

       imagecreatefromstring(3)  returns  an image identifier representing the image obtained from the given $image. These types will be automati-
       cally detected if your build of PHP supports them: JPEG, PNG, GIF, WBMP, and GD2.

PARAMETERS

	      o $image
		- A string containing the image data.

RETURN VALUES

	An image resource will be returned on success.	FALSE is returned if the image type is unsupported, the data is not in a  recognised  for-
       mat, or the image is corrupt and cannot be loaded.

EXAMPLES

       Example #1

	      imagecreatefromstring(3) example

	      <?php
	      $data = 'iVBORw0KGgoAAAANSUhEUgAAABwAAAASCAMAAAB/2U7WAAAABl'
		     . 'BMVEUAAAD///+l2Z/dAAAASUlEQVR4XqWQUQoAIAxC2/0vXZDr'
		     . 'EX4IJTRkb7lobNUStXsB0jIXIAMSsQnWlsV+wULF4Avk9fLq2r'
		     . '8a5HSE35Q3eO2XP1A1wQkZSgETvDtKdQAAAABJRU5ErkJggg==';
	      $data = base64_decode($data);

	      $im = imagecreatefromstring($data);
	      if ($im !== false) {
		  header('Content-Type: image/png');
		  imagepng($im);
		  imagedestroy($im);
	      }
	      else {
		  echo 'An error occurred.';
	      }
	      ?>

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

SEE ALSO

       imagecreatefromjpeg(3), imagecreatefrompng(3), imagecreatefromgif(3), imagecreatetruecolor(3).

PHP Documentation Group 												  IMAGECREATEFROMSTRING(3)