asset_import.routies.inc in Asset 6
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asset_import/inc/asset_import.routies.inc
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<?php
function _asset_import_settings_check_directory($form_element) {
$import_dir = $form_element['#value'];
file_check_directory($import_dir, 0, $form_element['#parents'][0]);
$image_dir = file_create_path(variable_get('image_default_path', 'images'));
if (realpath($import_dir) == realpath($image_dir)) {
form_set_error($form_element['#parents'][0], t("You can't import from the image module's directory. The import deletes the original files so you would just be asking for trouble."));
}
return $form_element;
}