@@ -64,7 +64,7 @@  | 
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| 64 | 64 | */  | 
                                                        
| 65 | 65 | private function conditional($key, $value, $separator = '=', $prefix = '--')  | 
                                                        
| 66 | 66 |      { | 
                                                        
| 67 | - $buffer = (string)$value;  | 
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| 67 | + $buffer = (string) $value;  | 
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| 68 | 68 | |
| 69 | 69 |          if (is_string($key) && strlen($key)) { | 
                                                        
| 70 | 70 | $buffer = $this->conditionalPrefix($key, $prefix) . $this->conditionalValue($value, $separator);  |