MDL-32003 last db related phpdocs cleanup commit

admin/tool/xmldb/actions/XMLDBCheckAction.class.php

@@ -30,7 +30,7 @@
  */
 abstract class XMLDBCheckAction extends XMLDBAction {
     /**
-     * This string is displayed with a yes/no choice before the report is run.
+     * @var string This string is displayed with a yes/no choice before the report is run.
      * You must set this to the name of a lang string in xmldb.php before calling init.
      */
     protected $introstr = '';

lib/ddl/database_manager.php

@@ -95,7 +95,7 @@ protected function execute_sql($sql) {
      * Given one xmldb_table, check if it exists in DB (true/false).
      *
      * @param string|xmldb_table $table The table to be searched (string name or xmldb_table instance).
-     * @return bool true/false True is a table exists, false otherwise.
+     * @return bool True is a table exists, false otherwise.
      */
     public function table_exists($table) {
         if (!is_string($table) and !($table instanceof xmldb_table)) {
@@ -126,8 +126,8 @@ public function reset_sequence($table) {
     /**
      * Given one xmldb_field, check if it exists in DB (true/false).
      *
-     * @param mixed $table The table to be searched (string name or xmldb_table instance).
-     * @param mixed $field The field to be searched for (string name or xmldb_field instance).
+     * @param string|xmldb_table $table The table to be searched (string name or xmldb_table instance).
+     * @param string|xmldb_field $field The field to be searched for (string name or xmldb_field instance).
      * @return boolean true is exists false otherwise.
      * @throws ddl_table_missing_exception
      */

lib/xmldb/xmldb_table.php

@@ -42,7 +42,7 @@ class xmldb_table extends xmldb_object {
      *  - Oracle has 30 chars limit for all names,
      *    2 chars are reserved for prefix.
      *
-     * @const maximumn length of field names
+     * @const maximum length of field names
      */
     const NAME_MAX_LENGTH = 28;