MDL-37224 backup-import: better handling of search button

backup/import.php

@@ -12,7 +12,7 @@
 // The id of the course we are importing FROM (will only be set if past first stage
 $importcourseid = optional_param('importid', false, PARAM_INT);
 // We just want to check if a search has been run. True if anything is there.
-$coursesearch = optional_param('search', false, PARAM_BOOL);
+$searchcourses = optional_param('searchcourses', false, PARAM_BOOL);
 // The target method for the restore (adding or deleting)
 $restoretarget = optional_param('target', backup::TARGET_CURRENT_ADDING, PARAM_INT);
 
@@ -38,7 +38,7 @@
 $renderer = $PAGE->get_renderer('core','backup');
 
 // Check if we already have a import course id
-if ($importcourseid === false || $coursesearch) {
+if ($importcourseid === false || $searchcourses) {
     // Obviously not... show the selector so one can be chosen
     $url = new moodle_url('/backup/import.php', array('id'=>$courseid));
     $search = new import_course_search(array('url'=>$url));
@@ -162,4 +162,4 @@
 echo $backup->display($renderer);
 $backup->destroy();
 unset($backup);
-echo $OUTPUT->footer();
+echo $OUTPUT->footer();