PDO-debugger is now a static method inside a helper class, not a glob…

…al function anymore

README.md

@@ -68,15 +68,15 @@ are using extremely outdated MySQL versions).
 
 ## Goodies
 
-MINI comes with a little [PDO debugger tool](https://github.com/panique/pdo-debug), trying to emulate your PDO-SQL
-statements. It's extremely easy to use:
+MINI comes with a little customized [PDO debugger tool](https://github.com/panique/pdo-debug) (find the code in
+application/libs/helper.php), trying to emulate your PDO-SQL statements. It's extremely easy to use:
 
 ```php
 $sql = "SELECT id, artist, track, link FROM song WHERE id = :song_id LIMIT 1";
 $query = $this->db->prepare($sql);
 $parameters = array(':song_id' => $song_id);
 
-echo debugPDO($sql, $parameters);
+echo Helper::debugPDO($sql, $parameters);
 
 $query->execute($parameters);
 ```

application/libs/pdo-debug.php → application/libs/helper.php

@@ -1,21 +1,20 @@
 <?php
 
-// if it does not exist, add the function debugPDO to PHP
-// for more info about this function, see https://github.com/panique/pdo-debug
-if (!function_exists('debugPDO')) {
-
+class Helper
+{
     /**
      * debugPDO
      *
-     * Shows the SQL query constructed by PDO. The magic behind: A simple function that combines your parameters and
-     * the raw query. Not perfect, but does the job.
+     * Shows the emulated SQL query in a PDO statement. What it does is just extremely simple, but powerful:
+     * It combines the raw query and the placeholders. For sure not really perfect (as PDO is more complex than just
+     * combining raw query and arguments), but it does the job.
      * 
-     * @author Panique <https://github.com/panique/pdo-debug>
+     * @author Panique
      * @param string $raw_sql
      * @param array $parameters
      * @return string
      */
-    function debugPDO($raw_sql, $parameters) {
+    static public function debugPDO($raw_sql, $parameters) {
 
         $keys = array();
         $values = $parameters;

application/model/model.php

@@ -48,7 +48,7 @@ public function addSong($artist, $track, $link)
         $parameters = array(':artist' => $artist, ':track' => $track, ':link' => $link);
 
         // useful for debugging: you can see the SQL behind above construction by using:
-        // echo '[ PDO DEBUG ]: ' . debugPDO($sql, $parameters);  exit();
+        // echo '[ PDO DEBUG ]: ' . Helper::debugPDO($sql, $parameters);  exit();
 
         $query->execute($parameters);
     }
@@ -66,7 +66,7 @@ public function deleteSong($song_id)
         $parameters = array(':song_id' => $song_id);
 
         // useful for debugging: you can see the SQL behind above construction by using:
-        // echo '[ PDO DEBUG ]: ' . debugPDO($sql, $parameters);  exit();
+        // echo '[ PDO DEBUG ]: ' . Helper::debugPDO($sql, $parameters);  exit();
 
         $query->execute($parameters);
     }
@@ -81,7 +81,7 @@ public function getSong($song_id)
         $parameters = array(':song_id' => $song_id);
 
         // useful for debugging: you can see the SQL behind above construction by using:
-        // echo '[ PDO DEBUG ]: ' . debugPDO($sql, $parameters);  exit();
+        // echo '[ PDO DEBUG ]: ' . Helper::debugPDO($sql, $parameters);  exit();
 
         $query->execute($parameters);
 
@@ -108,7 +108,7 @@ public function updateSong($artist, $track, $link, $song_id)
         $parameters = array(':artist' => $artist, ':track' => $track, ':link' => $link, ':song_id' => $song_id);
 
         // useful for debugging: you can see the SQL behind above construction by using:
-        // echo '[ PDO DEBUG ]: ' . debugPDO($sql, $parameters);  exit();
+        // echo '[ PDO DEBUG ]: ' . Helper::debugPDO($sql, $parameters);  exit();
 
         $query->execute($parameters);
     }

public/index.php

@@ -29,7 +29,7 @@
 
 // FOR DEVELOPMENT: this loads PDO-debug, a simple function that shows the SQL query (when using PDO).
 // If you want to load pdoDebug via Composer, then have a look here: https://github.com/panique/pdo-debug
-require APP . '/libs/pdo-debug.php';
+require APP . '/libs/helper.php';
 
 // load application class
 require APP . '/core/application.php';