Index: mythweb/includes/compat.php
===================================================================
--- mythweb/includes/compat.php	(revision 0)
+++ mythweb/includes/compat.php	(revision 0)
@@ -0,0 +1,49 @@
+<?php
+
+if ( !function_exists( 'get_called_class' ) ) {
+  function get_called_class( $bt = false, $l = 1 )
+  {
+    if ( !$bt ) $bt = debug_backtrace();
+    if ( !isset( $bt[$l] ) ) throw new Exception( "Cannot find called class -> stack level too deep." );
+    if ( !isset( $bt[$l]['type'] ) ) {
+      throw new Exception ( 'type not set' );
+    } else switch ( $bt[$l]['type'] ) {
+      case '::':
+        $lines = file( $bt[$l]['file'] );
+        $i = 0;
+        $callerLine = '';
+        do {
+          $i++;
+          $callerLine = $lines[$bt[$l]['line'] - $i] . $callerLine;
+        } while ( stripos( $callerLine, $bt[$l]['function'] ) === false
+);
+        preg_match( '/([a-zA-Z0-9\_]+)::' . $bt[$l]['function'] . '/',
+          $callerLine,
+          $matches );
+        if ( !isset( $matches[1] ) ) {
+          // must be an edge case.
+          throw new Exception ( "Could not find caller class: originating method call is obscured." );
+        }
+        switch ( $matches[1] ) {
+          case 'self':
+          case 'parent':
+            return get_called_class( $bt, $l + 1 );
+          default:
+            return $matches[1];
+        }
+        // won't get here.
+      case '->': switch ( $bt[$l]['function'] ) {
+          case '__get':
+            // edge case -> get class of calling object
+            if ( !is_object( $bt[$l]['object'] ) ) throw new
+              Exception ( "Edge case fail. __get called on non object.");
+            return get_class( $bt[$l]['object'] );
+          default: return $bt[$l]['class'];
+        }
+
+      default: throw new Exception ( "Unknown backtrace method type" );
+    }
+  }
+}
+
+?>
\ No newline at end of file
Index: mythweb/includes/php_version_check.php
===================================================================
--- mythweb/includes/php_version_check.php	(revision 27408)
+++ mythweb/includes/php_version_check.php	(working copy)
@@ -12,7 +12,7 @@
  * @package     MythWeb
  *
 /**/
-    define('PHP_MIN_VERSION', floatval(5.3));
+    define('PHP_MIN_VERSION', floatval(5.1));

 // Make sure we're running a new enough version of php
     if (floatval(substr(phpversion(), 0, 3)) < PHP_MIN_VERSION)