diff --git a/classes/DBLibrary.php b/classes/DBLibrary.php
index ac86f6d..a0ea86a 100755
--- a/classes/DBLibrary.php
+++ b/classes/DBLibrary.php
@@ -332,9 +332,7 @@ class DBLibrary {
             if(count($fieldsList) == 0)
                 $fields = "*";
             else {
-                $fields = "";
-                foreach($fieldsList as $processField)
-                    $fields .= $processField.", ";
+                $fields = implode(", ", $fieldsList);
             }
 
             //Generating SQL
diff --git a/classes/components/searchUser.php b/classes/components/searchUser.php
index 02fa18c..e5677db 100644
--- a/classes/components/searchUser.php
+++ b/classes/components/searchUser.php
@@ -14,8 +14,28 @@ class searchUser {
 	 * @param Integer $limit The number of results to return on the screen
 	 * @return Array the result of the result
 	 */
-	public function search($query, $limit){
-		return array(1, 2);
+	public function search($query, $limit) : array{
+
+		//Prepare query string
+		$query = "%".str_replace(" ", "%", $query)."%";
+
+		//Prepare a request on the database
+		$tableName = "utilisateurs";
+		$conditions = "WHERE (nom LIKE ?) || (prenom LIKE ?) || (CONCAT(prenom, '%', nom) LIKE ?) || (CONCAT(nom, '%', prenom) LIKE ?) LIMIT ".$limit*1;
+		$datasCond = array($query, $query, $query, $query);
+		$fields = array("ID");
+
+		//Perform the request on the database
+		$results = CS::get()->db->select($tableName, $conditions, $datasCond, $fields);
+
+		//Prepare return
+		$return = array();
+		foreach($results as $value){
+			$return[] = $value["ID"];
+		}
+
+		//Return result
+		return $return;
 	}
 }
 
diff --git a/config/main.php b/config/main.php
index 8ebb75f..a19b590 100644
--- a/config/main.php
+++ b/config/main.php
@@ -36,3 +36,10 @@ $config->set("mysql", array(
     "user" => "root", 
     "password" => "root"
 ));
+
+/**
+ * Tables of database prefix
+ *
+ * For new tables only
+ */
+$config->set("dbprefix", "comunic_");
\ No newline at end of file
diff --git a/init.php b/init.php
index f21ec1a..12f5c2b 100644
--- a/init.php
+++ b/init.php
@@ -43,6 +43,7 @@ $db->openMYSQL($cs->config->get('mysql')['host'],
         $cs->config->get('mysql')['user'], 
         $cs->config->get('mysql')['password'], 
         $cs->config->get('mysql')['database']);
+define("DBprefix", $cs->config->get("dbprefix"));
 unset($db);
 
 //Add token object