@@ -35,7 +35,7 @@  | 
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| 35 | 35 | */  | 
                                                        
| 36 | 36 | public function getReferenceValue($identifier)  | 
                                                        
| 37 | 37 |      { | 
                                                        
| 38 | -        switch(substr($identifier, 5)) { | 
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| 38 | +        switch (substr($identifier, 5)) { | 
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| 39 | 39 | case 'iteration':  | 
                                                        
| 40 | 40 | $current = end($this->stack);  | 
                                                        
| 41 | 41 | return $current['step'];  |