@@ -12,7 +12,7 @@  | 
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| 12 | 12 |      { | 
                                                        
| 13 | 13 |          if (!is_string($string)) { | 
                                                        
| 14 | 14 | throw new \InvalidArgumentException(  | 
                                                        
| 15 | - 'Argument should be string, got ' . gettype($string) . ' instead.'  | 
                                                        |
| 15 | + 'Argument should be string, got '.gettype($string).' instead.'  | 
                                                        |
| 16 | 16 | );  | 
                                                        
| 17 | 17 | }  | 
                                                        
| 18 | 18 | |