Add function dolEscapeXML

htdocs/core/lib/functions.lib.php

@@ -427,6 +427,18 @@ function dol_string_nospecial($str,$newstr='_',$badchars='')
 	return str_replace($forbidden_chars_to_replace,$newstr,str_replace($forbidden_chars_to_remove,"",$str));
 }
 
+
+/**
+ * Encode string for xml usage
+ *
+ * @param 	string	$string		String to encode
+ * @return	string				String encoded
+ */
+function dolEscapeXML($string)
+{
+	return strtr($string, array('\''=>'&apos;','"'=>'&quot;','&'=>'&amp;','<'=>'&lt;','>'=>'&gt;'));
+}
+
 /**
  *  Returns text escaped for inclusion into javascript code
  *
@@ -3468,6 +3480,7 @@ function dol_nl2br($stringtoencode,$nl2brmode=0,$forxml=false)
 	}
 }
 
+
 /**
  *	This function is called to encode a string into a HTML string but differs from htmlentities because
  * 	all entities but &,<,> are converted. This permits to encode special chars to entities with no double