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file_validate_is_image

6 file.inc file_validate_is_image(&$file)
7 file.inc file_validate_is_image(stdClass $file)

Check that the file is recognized by image_get_info() as an image.

Parameters

$file: A Drupal file object.

Return value

An array. If the file is not an image, it will contain an error message.

See also

hook_file_validate()

Related topics

1 call to file_validate_is_image()

3 string references to 'file_validate_is_image'

File

drupal/includes/file.inc, line 1698
API for handling file uploads and server file management.

Code

function file_validate_is_image(stdClass $file) {
  $errors = array();

  $info = image_get_info($file->uri);
  if (!$info || empty($info['extension'])) {
    $errors[] = t('Only JPEG, PNG and GIF images are allowed.');
  }

  return $errors;
}