}
}
+/**
+ * Ensure that a variable is set
+ *
+ * Return $var if it is defined, otherwise return $default,
+ * This function is very similar to {@link optional_variable()}
+ *
+ * @param mixed $var the variable which may be unset
+ * @param mixed $default the value to return if $var is unset
+ * @return mixed
+ */
+function nvl(&$var, $default='') {
+ global $CFG;
+
+ if (!empty($CFG->disableglobalshack)) {
+ error( "The nvl() function is deprecated ($var, $default)." );
+ }
+ return isset($var) ? $var : $default;
+}
+
/**
* Determines if a user an admin
*
}
-/**
- * Ensure that a variable is set
- *
- * Return $var if it is defined, otherwise return $default,
- * This function is very similar to {@link optional_variable()}
- *
- * @param mixed $var the variable which may be unset
- * @param mixed $default the value to return if $var is unset
- * @return mixed
- */
-function nvl(&$var, $default='') {
- global $CFG;
-
- if (!empty($CFG->disableglobalshack)) {
- error( "The nvl() function is deprecated ($var, $default)." );
- }
- return isset($var) ? $var : $default;
-}
-
/**
* Remove query string from url
*