diff --git a/lam/lib/account.inc b/lam/lib/account.inc
index 1fa8dabf..2e4f2322 100644
--- a/lam/lib/account.inc
+++ b/lam/lib/account.inc
@@ -227,7 +227,7 @@ function generateSalt($len) {
 	$salt = '';
 	for ($i = 0; $i < $len; $i++) {
 		$pos = abs(getRandomNumber() % strlen($chars));
-		$salt .= $chars{$pos};
+		$salt .= $chars[$pos];
 	}
 	return $salt;
 }
diff --git a/lam/lib/config.inc b/lam/lib/config.inc
index 87616d83..3e0a21fd 100644
--- a/lam/lib/config.inc
+++ b/lam/lib/config.inc
@@ -128,7 +128,7 @@ function checkChmod($right, $target, $chmod) {
 	}
 
 	// Cut the number from the chmod:
-	$chmod_num = $chmod{$chmod_num};
+	$chmod_num = $chmod[$chmod_num];
 
 	// Now check, if the chmod_num can be right with the $right
 	// What numbers allow "read"
diff --git a/lam/templates/3rdParty/pla/lib/TemplateRender.php b/lam/templates/3rdParty/pla/lib/TemplateRender.php
index 19c384d9..18a79e7e 100644
--- a/lam/templates/3rdParty/pla/lib/TemplateRender.php
+++ b/lam/templates/3rdParty/pla/lib/TemplateRender.php
@@ -189,7 +189,7 @@ class TemplateRender extends PageRender {
 					$next_number = $vals;
 
 					foreach ($mod as $calc) {
-						$operand = $calc{0};
+						$operand = $calc[0];
 						$operator = substr ($calc,1);
 
 						switch ($operand) {
diff --git a/lam/templates/3rdParty/pla/lib/export_functions.php b/lam/templates/3rdParty/pla/lib/export_functions.php
index cb576047..45d3ece2 100644
--- a/lam/templates/3rdParty/pla/lib/export_functions.php
+++ b/lam/templates/3rdParty/pla/lib/export_functions.php
@@ -217,7 +217,7 @@ abstract class Export {
 	 */
 	protected function isSafeAscii($str) {
 		for ($i=0;$i<strlen($str);$i++)
-			if (ord($str{$i}) < 32 || ord($str{$i}) > 127)
+			if (ord($str[$i]) < 32 || ord($str[$i]) > 127)
 				return false;
 
 		return true;