Add change in regex for PRCE (PHP < 7.3)

smarty-php · Sep 12, 2022 · 2272e4d · 2272e4d
1 parent f3c9919
commit 2272e4d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libs/plugins/function.math.php b/libs/plugins/function.math.php
@@ -70,7 +70,7 @@ function smarty_function_math($params, $template)
     $number = '(?:\d+(?:[,.]\d+)?|pi|π)'; // What is a number
     $functionsOrVars = '((?:0x[a-fA-F0-9]+)|([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*))';
     $operators = '[,+\/*\^%-]'; // Allowed math operators
-    $regexp = '/^(('.$number.'|'.$functionsOrVars.'|('.$functionsOrVars.'\s*\((?1)*\)|\((?1)+\)))(?:'.$operators.'(?1))?)+$/';
+    $regexp = '/^(('.$number.'|'.$functionsOrVars.'|('.$functionsOrVars.'\s*\((?1)*\)|\((?1)*\)))(?:'.$operators.'(?1))?)+$/';
 
     if (!preg_match($regexp, $equation)) {
         trigger_error("math: illegal characters", E_USER_WARNING);