@@ -130,7 +130,7 @@  | 
                                                    ||
| 130 | 130 | 'si' => 'is_array', // Testing is_callable.  | 
                                                        
| 131 | 131 | );  | 
                                                        
| 132 | 132 | |
| 133 | -$extra_variables['boolean_tests'] = array(  | 
                                                        |
| 133 | +$extra_variables['boolean_tests'] = array(  | 
                                                        |
| 134 | 134 | 'sq' => 'on', // Testing filter_var() boolean.  | 
                                                        
| 135 | 135 | 'sr' => 'off', // Testing filter_var() boolean.  | 
                                                        
| 136 | 136 | 'ss' => 'yes', // Testing filter_var() boolean.  |