added logging

src/helpers.php

@@ -13,4 +13,23 @@ function renderTemplate($templatename,$variables=[],$basepath=ROOT.'/src')
     ob_end_clean();
 
     return $rendered;
+}
+
+function addToLog($data)
+{
+    $fp = fopen(ROOT.DS.'logs'.DS.'app.log','a');
+    fwrite($fp,date("d.m.y H:i")."\t".$data."\n");
+    fclose($fp);
+}
+
+function getUserIP()
+{
+    if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
+        $ip = $_SERVER['HTTP_CLIENT_IP'];
+    } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+        $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
+    } else {
+        $ip = $_SERVER['REMOTE_ADDR'];
+    }
+    return $ip;
 }