Allow equations to have underscores to prevent errors

ThemeBoy · Sep 23, 2015 · 789840f · 789840f
1 parent 9eb6af6
commit 789840f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/includes/libraries/class-eqeos.php b/includes/libraries/class-eqeos.php
@@ -352,7 +352,7 @@ function solveIF($infix, $vArray = null) {
 		preg_replace("/\s/", "", $infix);
 
 		//Find all the variables that were passed and replaces them
-		while((preg_match('/(.){0,1}[&$]([a-zA-Z0-9]+)(.){0,1}/', $infix, $match)) != 0) {
+		while((preg_match('/(.){0,1}[&$]([a-zA-Z0-9_]+)(.){0,1}/', $infix, $match)) != 0) {
 
 			//remove notices by defining if undefined.
 			if(!isset($match[3])) {