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MDL-14588 - Prevent error message when calling function with null variable (merge from 1.9)

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scyrma 2008-04-29 03:30:01 +00:00
parent 66382ac714
commit fca9088244
1 changed files with 5 additions and 2 deletions
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7
question/backuplib.php
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@ -459,14 +459,17 @@
function question_insert_c_and_q_ids_for_module($backup_unique_code, $course, $modulename, $instances){
global $CFG;
$status = true;
// using 'dummykeyname' in sql because otherwise get_records_sql_menu returns an error
// using 'dummykeyname' in sql because otherwise get_records_sql_menu returns an error
// if two key names are the same.
$cmcontexts = get_records_sql_menu("SELECT c.id, c.id AS dummykeyname FROM {$CFG->prefix}modules m,
$cmcontexts = array();
if(!empty($instances)) {
$cmcontexts = get_records_sql_menu("SELECT c.id, c.id AS dummykeyname FROM {$CFG->prefix}modules m,
{$CFG->prefix}course_modules cm,
{$CFG->prefix}context c
WHERE m.name = '$modulename' AND m.id = cm.module AND cm.id = c.instanceid
AND c.contextlevel = ".CONTEXT_MODULE." AND cm.course = $course
AND cm.instance IN (".implode(',',array_keys($instances)).")");
}
if ($cmcontexts){
$status = $status && execute_sql("INSERT INTO {$CFG->prefix}backup_ids