diff --git a/_func.php b/_func.php
index 07b5ff6..d5e69cd 100644
--- a/_func.php
+++ b/_func.php
@@ -1,10 +1,10 @@
-<?php
-// include ('config.php');
-include ('sql.php');
-$sql = new SQL ();
-include ('string.php');
-include ('numbers.php');
-include ('mail.php');
-include ('debug.php');
-include ('markdown.php');
+<?php
+// include ('config.php');
+include_once ('sql.php');
+$sql = new SQL ();
+include_once ('string.php');
+include_once ('numbers.php');
+include_once ('mail.php');
+include_once ('debug.php');
+include_once ('markdown.php');
 ?>
\ No newline at end of file
diff --git a/secret.php.example b/secret.php.example
index ae43e09..e7ca578 100644
--- a/secret.php.example
+++ b/secret.php.example
@@ -1,10 +1,10 @@
-<?php 
-define ( 'SQL_LOG', 1 ); // schreibt sql querys in eine log
-
-$_m['host'] = 'localhost'; 
-$_m['user'] = '';
-$_m['pass'] = '';
-$_m['data'] = '';
-$_m['pre']  = 'efcms2_';
-$_m['salt'] = '';
+<?php 
+if (!defined('SQL_LOG')) define ( 'SQL_LOG', 1 ); // schreibt sql querys in eine log
+
+$_m['host'] = 'localhost'; 
+$_m['user'] = '';
+$_m['pass'] = '';
+$_m['data'] = '';
+$_m['pre']  = 'efcms2_';
+$_m['salt'] = '';
 ?>
\ No newline at end of file
diff --git a/sql.php b/sql.php
index ff7ca41..5df6de9 100644
--- a/sql.php
+++ b/sql.php
@@ -8,7 +8,7 @@ class SQL {
   public $cnt_get = 0;
   public $cnt_set = 0;
   public function __construct() {
-    require ('secret.php');
+    require_once ('secret.php');
 
     $this->m = $_m;
     $this->pre = $_m ['pre'];
diff --git a/string.php b/string.php
index 91ba4ae..0839fbd 100644
--- a/string.php
+++ b/string.php
@@ -1,129 +1,129 @@
-<?php
-function umlaute($str) {
-  return str_replace ( array (
-      'Ä',
-      'Ö',
-      'Ü',
-      'ä',
-      'ö',
-      'ü',
-      'ß'
-  ), array (
-      '&Auml;',
-      '&Ouml;',
-      '&Uuml;',
-      '&auml;',
-      '&ouml;',
-      '&uuml;',
-      '&szlig;'
-  ), $str );
-}
-function chk($str) {
-  return str_replace ( "'", '"', $str );
-}
-function noScript($str) {
-  return str_replace ( array (
-      '<',
-      '>'
-  ), array (
-      '&lt;',
-      '&gt;'
-  ), $str );
-}
-function random($name_laenge) {
-  $zeichen = "abcedfghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRTSUVWXYZ0123456789";
-  $name_neu = "";
-
-  @mt_srand ( ( double ) microtime () * 1000000 );
-  for($i = 0; $i < $name_laenge; $i ++) {
-    $r = mt_rand ( 0, strlen ( $zeichen ) - 1 );
-    $name_neu .= $zeichen {$r};
-  }
-  return $name_neu;
-}
-function startsWith($haystack, $needle) {
-  $length = strlen ( $needle );
-  return (substr ( $haystack, 0, $length ) === $needle);
-}
-function endsWith($haystack, $needle) {
-  $length = strlen ( $needle );
-
-  return $length === 0 || (substr ( $haystack, - $length ) === $needle);
-}
-function onlyAlpha($str, $auch = '') {
-  return preg_replace ( "/[^a-zA-Z0-9 \-\_" . $auch . "]+/", "", $str );
-}
-function shortener($str, $len = 50, $fill = '...') {
-  if (strlen ( $str ) > $len) {
-    $str = substr ( $str, 0, $len - strlen ( $fill ) ) . $fill;
-  }
-  return $str;
-}
-function isEmail($str) {
-  $match = preg_match ( "/[a-zA-Z0-9\-\_\.]*\@[a-zA-Z0-9\-\_\.]*.[a-z]{2,10}/", $str );
-  if ($match) {
-    return $str;
-  }
-  return false;
-}
-function markUp($text) {
-  $r = '';
-  $lv = 0;
-  foreach ( explode ( "\n", $text ) as $t ) {
-    $nlv = 0;
-    if (startsWith ( '**** ', $t )) {
-      $t = substr ( $t, 5 );
-      $nlv = 4;
-    }
-    if (startsWith ( '*** ', $t )) {
-      $t = substr ( $t, 4 );
-      $nlv = 3;
-    }
-    if (startsWith ( '** ', $t )) {
-      $t = substr ( $t, 3 );
-      $nlv = 2;
-    }
-    if (startsWith ( '* ', $t )) {
-      $t = substr ( $t, 2 );
-      $nlv = 1;
-    }
-    if ($lv != $nlv) {
-      while ( $lv < $nlv ) {
-        $text .= '<ul>';
-        $lv ++;
-      }
-      while ( $lv > $nlv ) {
-        $text .= '</ul>';
-        $lv --;
-      }
-    }
-    if (startsWith ( $t, '!!!!! ' )) {
-      $t = '<h5>' . substr ( $t, 6 ) . '</h5>';
-    }
-    if (startsWith ( $t, '!!!! ' )) {
-      $t = '<h4>' . substr ( $t, 5 ) . '</h4>';
-    }
-    if (startsWith ( $t, '!!! ' )) {
-      $t = '<h3>' . substr ( $t, 4 ) . '</h3>';
-    }
-    if (startsWith ( $t, '!! ' )) {
-      $t = '<h2>' . substr ( $t, 3 ) . '</h2>';
-    }
-    if (startsWith ( $t, '! ' )) {
-      $t = '<h1>' . substr ( $t, 2 ) . '</h1>';
-    }
-    if ($lv == 0) {
-      $r .= $t;
-    } else {
-      $r .= '<li>' . $t . '</li>';
-    }
-    // var_dump ( $t );
-  }
-  while ( $lv > 0 ) {
-    $r .= '</ul>';
-    $lv --;
-  }
-  return $r;
-}
+<?php
+function umlaute($str) {
+  return str_replace ( array (
+      'Ä',
+      'Ö',
+      'Ü',
+      'ä',
+      'ö',
+      'ü',
+      'ß'
+  ), array (
+      '&Auml;',
+      '&Ouml;',
+      '&Uuml;',
+      '&auml;',
+      '&ouml;',
+      '&uuml;',
+      '&szlig;'
+  ), $str );
+}
+function chk($str) {
+  return str_replace ( "'", '"', $str );
+}
+function noScript($str) {
+  return str_replace ( array (
+      '<',
+      '>'
+  ), array (
+      '&lt;',
+      '&gt;'
+  ), $str );
+}
+function random($name_laenge) {
+  $zeichen = "abcedfghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRTSUVWXYZ0123456789";
+  $name_neu = "";
+
+  @mt_srand ( ( double ) microtime () * 1000000 );
+  for($i = 0; $i < $name_laenge; $i ++) {
+    $r = mt_rand ( 0, strlen ( $zeichen ) - 1 );
+    $name_neu .= $zeichen {$r};
+  }
+  return $name_neu;
+}
+function startsWith($haystack, $needle) {
+  $length = strlen ( $needle );
+  return (substr ( $haystack, 0, $length ) === $needle);
+}
+function endsWith($haystack, $needle) {
+  $length = strlen ( $needle );
+
+  return $length === 0 || (substr ( $haystack, - $length ) === $needle);
+}
+function onlyAlpha($str) {
+  return preg_replace ( "/[^a-zA-Z0-9 \-\_]+/", "", $str );
+}
+function shortener($str, $len = 50, $fill = '...') {
+  if (strlen ( $str ) > $len) {
+    $str = substr ( $str, 0, $len - strlen ( $fill ) ) . $fill;
+  }
+  return $str;
+}
+function isEmail($str) {
+  $match = preg_match ( "/[a-zA-Z0-9\-\_\.]*\@[a-zA-Z0-9\-\_\.]*.[a-z]{2,10}/", $str );
+  if ($match) {
+    return $str;
+  }
+  return false;
+}
+function markUp($text) {
+  $r = '';
+  $lv = 0;
+  foreach ( explode ( "\n", $text ) as $t ) {
+    $nlv = 0;
+    if (startsWith ( '**** ', $t )) {
+      $t = substr ( $t, 5 );
+      $nlv = 4;
+    }
+    if (startsWith ( '*** ', $t )) {
+      $t = substr ( $t, 4 );
+      $nlv = 3;
+    }
+    if (startsWith ( '** ', $t )) {
+      $t = substr ( $t, 3 );
+      $nlv = 2;
+    }
+    if (startsWith ( '* ', $t )) {
+      $t = substr ( $t, 2 );
+      $nlv = 1;
+    }
+    if ($lv != $nlv) {
+      while ( $lv < $nlv ) {
+        $text .= '<ul>';
+        $lv ++;
+      }
+      while ( $lv > $nlv ) {
+        $text .= '</ul>';
+        $lv --;
+      }
+    }
+    if (startsWith ( $t, '!!!!! ' )) {
+      $t = '<h5>' . substr ( $t, 6 ) . '</h5>';
+    }
+    if (startsWith ( $t, '!!!! ' )) {
+      $t = '<h4>' . substr ( $t, 5 ) . '</h4>';
+    }
+    if (startsWith ( $t, '!!! ' )) {
+      $t = '<h3>' . substr ( $t, 4 ) . '</h3>';
+    }
+    if (startsWith ( $t, '!! ' )) {
+      $t = '<h2>' . substr ( $t, 3 ) . '</h2>';
+    }
+    if (startsWith ( $t, '! ' )) {
+      $t = '<h1>' . substr ( $t, 2 ) . '</h1>';
+    }
+    if ($lv == 0) {
+      $r .= $t;
+    } else {
+      $r .= '<li>' . $t . '</li>';
+    }
+    // var_dump ( $t );
+  }
+  while ( $lv > 0 ) {
+    $r .= '</ul>';
+    $lv --;
+  }
+  return $r;
+}
 
 ?>
\ No newline at end of file