function imagepicker_upload_form_validate in Image Picker 5.2

Same name and namespace in other branches

1. 5 imagepicker.module \imagepicker_upload_form_validate()
2. 6.2 imagepicker.upload.inc \imagepicker_upload_form_validate()
3. 7 imagepicker.upload.inc \imagepicker_upload_form_validate()

Validate upload form

File

./imagepicker.module, line 333

Enables permitted roles to upload images for insertion into configured nodes.

Code

function imagepicker_upload_form_validate($form_id, $form_values) {
  foreach ($form_values as $name => $value) {
    $value = trim($value);
    switch ($name) {
      case 'file_upload':
        if (empty($_FILES['files']['name']['file_upload'])) {
          form_set_error($name, t('Image file field is required.'));
        }
        elseif (!isset($_FILES['files']['tmp_name']['file_upload']) || !file_exists($_FILES['files']['tmp_name']['file_upload'])) {
          form_set_error($name, t('Error while uploading file.'));
        }
        elseif (!image_get_info($_FILES['files']['tmp_name']['file_upload'])) {
          form_set_error($name, t('Uploaded file is not an image.'));
        }
        elseif (!imagepicker_get_uploaded_file_extension('file_upload')) {
          form_set_error($name, t('Only .jpg, .gif and .png image files are accepted.'));
        }
        break;
      case 'thumb':
        if (!preg_match('/^[0-9]{1,3}$/', $value) || $value <= 0) {
          form_set_error($name, t('Thumbnail size should be an integer between 1 and 999.'));
        }
        break;
      case 'scale':
        if (!preg_match('/^[0-9]{0,3}$/', $value)) {
          form_set_error($name, t('Scale value should be an integer between 1 and 999 or leave it empty if you don\'t want to scale your image.'));
        }
        break;
    }
  }
}