Remove some unused DB functions / globals

Now it begins to pay off, that (nearly) all model classes were updated
to  use the new Database class :)

4 files changed, 1 insertions, 37 deletions

diff --git a/ratatoeskr/main.php b/ratatoeskr/main.php
index 6353050..c5f0b89 100644
--- a/ratatoeskr/main.php
+++ b/ratatoeskr/main.php
@@ -48,7 +48,6 @@ function _ratatoeskr()
     global $backend_subactions, $ste, $url_handlers, $ratatoeskr_settings, $plugin_objs, $api_compat;
 
     session_start();
-    db_connect();
     clean_database();
 
     if (isset($ratatoeskr_settings["debugmode"]) and $ratatoeskr_settings["debugmode"]) {
diff --git a/ratatoeskr/setup/setup.php b/ratatoeskr/setup/setup.php
index c18fff0..d096afd 100644
--- a/ratatoeskr/setup/setup.php
+++ b/ratatoeskr/setup/setup.php
@@ -47,7 +47,6 @@ if (isset($_POST["apply_setup"])) {
         $config["mysql"]["prefix"] = $_POST["table_prefix"];
 
         try {
-            db_connect();
             create_mysql_tables();
 
             /* Writing some demo data to database */
diff --git a/ratatoeskr/sys/db.php b/ratatoeskr/sys/db.php
index a2ccc13..9272256 100644
--- a/ratatoeskr/sys/db.php
+++ b/ratatoeskr/sys/db.php
@@ -20,24 +20,6 @@ if (!defined("SETUP")) {
 
 require_once(dirname(__FILE__) . "/utils.php");
 
-// The global database connection.
-// It's usage is deprecated, use the Database object supplied by Env::database() instead.
-/** @var PDO|null $db_con */
-$db_con = null;
-
-/**
- * Establish the global connection to the MySQL database.
- * This sets the global {@see $db_con}.
- *
- * @deprecated Use the {@see Database} object supplied by {@see Env::database()} instead.
- */
-function db_connect(): void
-{
-    global $db_con;
-
-    $db_con = Env::getGlobal()->database()->getPdo();
-}
-
 /**
  * Substitutes "PREFIX_" in the input string with the prefix from the config.
  *
@@ -51,21 +33,7 @@ function sub_prefix($q): string
 }
 
 /**
- * Prepares a SQL statement using the global DB connection.
- * This will also replace "PREFIX_" with the prefix defined in 'config.php'.
- *
- * @param mixed|string $q The query / statement to prepare.
- * @return PDOStatement
- *
- * @deprecated Use {@see Database::prepStmt()} instead.
- */
-function prep_stmt($q): PDOStatement
-{
-    return Env::getGlobal()->database()->prepStmt((string)$q);
-}
-
-/**
- * Prepares statement (1st argument) with {@see prep_stmt()} and executes it with the remaining arguments.
+ * Prepares statement (1st argument) like {@see Database::prepStmt()} and executes it with the remaining arguments.
  *
  * @param mixed ...$args
  * @return PDOStatement
diff --git a/ratatoeskr/sys/models.php b/ratatoeskr/sys/models.php
index 6a90a8d..7f5cb4c 100644
--- a/ratatoeskr/sys/models.php
+++ b/ratatoeskr/sys/models.php
@@ -20,8 +20,6 @@ require_once(dirname(__FILE__) . "/utils.php");
 require_once(dirname(__FILE__) . "/textprocessors.php");
 require_once(dirname(__FILE__) . "/pluginpackage.php");
 
-db_connect();
-
 /*
  * Array: $imagetype_file_extensions
  * Array of default file extensions for most IMAGETYPE_* constants