added stupid hack so I can have a default for a "pass by reference" parameter

[wfpl.git] / misc.php

diff --git a/misc.php b/misc.php
index 4e1da44..abe5c28 100644 (file)
--- a/misc.php
+++ b/misc.php
@@ -25,4 +25,29 @@ function this_month() {
        return strftime('%m');
 }
 
+
+# php4 is broken, in that you cannot set a default value for a parameter that
+# is passed by reference. So, this is set up to use the following screwy
+# syntax:
+#
+# function foo($bar = 0) {
+#   if($bar !== 0) {
+#     $bar = $bar->ref;
+#   }
+#      ...
+# }
+#
+# foo();
+# foo(ref($baz));
+
+class stupid_reference {
+       var $ref;
+       function stupid_reference(&$ref) {
+               $this->ref = &$ref;
+       }
+}
+function ref(&$foo) {
+       return new stupid_reference($foo);
+}
+
 ?>