image_gd_open

GD helper function to create an image resource from a file.

Parameters

$file: A string file path where the iamge should be saved.

$extension: A string containing one of the following extensions: gif, jpg, jpeg, png.

Return value

An image resource, or FALSE on error.

Related topics

Image toolkits

Drupal's image toolkits provide an abstraction layer for common image file manipulations like scaling, cropping, and rotating. The abstraction frees module authors from the need to support multiple image libraries, and it allows site…

3 calls to image_gd_open()

File

includes/image.gd.inc, line 183

GD2 toolkit for image manipulation within Drupal.

Code

function image_gd_open($file, $extension) {
  $extension = str_replace('jpg', 'jpeg', $extension);
  $open_func = 'imageCreateFrom' . $extension;
  if (!function_exists($open_func)) {
    return FALSE;
  }
  return $open_func($file);
}