1 files changed, 62 insertions, 0 deletions
diff --git a/js/functions.js b/js/functions.js
index be78294df..d7e10c652 100644
--- a/js/functions.js
+++ b/js/functions.js
@@ -1913,3 +1913,65 @@ function helpDialog(topic) {
 	}
 }
 
+function htmlspecialchars_decode (string, quote_style) {
+  // http://kevin.vanzonneveld.net
+  // +   original by: Mirek Slugen
+  // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+  // +   bugfixed by: Mateusz "loonquawl" Zalega
+  // +      input by: ReverseSyntax
+  // +      input by: Slawomir Kaniecki
+  // +      input by: Scott Cariss
+  // +      input by: Francois
+  // +   bugfixed by: Onno Marsman
+  // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
+  // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
+  // +      input by: Ratheous
+  // +      input by: Mailfaker (http://www.weedem.fr/)
+  // +      reimplemented by: Brett Zamir (http://brett-zamir.me)
+  // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
+  // *     example 1: htmlspecialchars_decode("<p>this -&gt; &quot;</p>", 'ENT_NOQUOTES');
+  // *     returns 1: '<p>this -> &quot;</p>'
+  // *     example 2: htmlspecialchars_decode("&amp;quot;");
+  // *     returns 2: '&quot;'
+  var optTemp = 0,
+    i = 0,
+    noquotes = false;
+  if (typeof quote_style === 'undefined') {
+    quote_style = 2;
+  }
+  string = string.toString().replace(/&lt;/g, '<').replace(/&gt;/g, '>');
+  var OPTS = {
+    'ENT_NOQUOTES': 0,
+    'ENT_HTML_QUOTE_SINGLE': 1,
+    'ENT_HTML_QUOTE_DOUBLE': 2,
+    'ENT_COMPAT': 2,
+    'ENT_QUOTES': 3,
+    'ENT_IGNORE': 4
+  };
+  if (quote_style === 0) {
+    noquotes = true;
+  }
+  if (typeof quote_style !== 'number') { // Allow for a single string or an array of string flags
+    quote_style = [].concat(quote_style);
+    for (i = 0; i < quote_style.length; i++) {
+      // Resolve string input to bitwise e.g. 'PATHINFO_EXTENSION' becomes 4
+      if (OPTS[quote_style[i]] === 0) {
+        noquotes = true;
+      } else if (OPTS[quote_style[i]]) {
+        optTemp = optTemp | OPTS[quote_style[i]];
+      }
+    }
+    quote_style = optTemp;
+  }
+  if (quote_style & OPTS.ENT_HTML_QUOTE_SINGLE) {
+    string = string.replace(/&#0*39;/g, "'"); // PHP doesn't currently escape if more than one 0, but it should
+    // string = string.replace(/&apos;|&#x0*27;/g, "'"); // This would also be useful here, but not a part of PHP
+  }
+  if (!noquotes) {
+    string = string.replace(/&quot;/g, '"');
+  }
+  // Put this in last place to avoid escape being double-decoded
+  string = string.replace(/&amp;/g, '&');
+
+  return string;
+}