From: skodak <skodak>
Date: Sat, 30 Dec 2006 22:45:40 +0000 (+0000)
Subject: MDL-8028 Add separate addslashes_js function for javascript quoting
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=0d1cd0ea21364a8aa1672e83ca06d3eb385f9522;p=moodle.git

MDL-8028 Add separate addslashes_js function for javascript quoting
---

diff --git a/lib/weblib.php b/lib/weblib.php
index 972ec7f392..1c7c60b5b7 100644
--- a/lib/weblib.php
+++ b/lib/weblib.php
@@ -135,6 +135,28 @@ function p($var, $strip=false) {
     echo s($var, $strip);
 }
 
+/**
+ * Does proper javascript quoting.
+ * Do not use addslashes anymore, because it does not work when magic_quotes_sybase is enabled. 
+ * 
+ * @param mixed value
+ * @return mixed quoted result
+ */
+function addslashes_js($var) {
+    if (is_string($var)) {
+        $var = str_replace('\\', '\\\\', $var);
+        $var = str_replace(array('\'', '"', "\n", "\r", "\0"), array('\\\'', '\\"', '\\n', '\\r', '\\0'), $var);
+    } else if (is_array($var)) {
+        $var = array_map('addslashes_js', $var);
+    } else if (is_object($var)) {
+        $a = get_object_vars($var);
+        foreach ($a as $key=>$value) {
+          $a[$key] = addslashes_js($value);
+        }
+        $var = (object)$a;
+    }
+    return $var;
+}
 
 /**
  * Remove query string from url