file_validate_is_image

• Drupal 6
• Drupal 7

Versions

6

file_validate_is_image(&$file)

7

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.

Related topics

File interface

Common file handling functions.

Code

includes/file.inc, line 682

<?php
function file_validate_is_image(&$file) {
  $errors = array();

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

  return $errors;
}
?>

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