@@ -13,7 +13,7 @@ discard block  | 
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| 13 | 13 | /**  | 
                                                        
| 14 | 14 | * Generate a random string.  | 
                                                        
| 15 | 15 | *  | 
                                                        
| 16 | - * @param $length  | 
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| 16 | + * @param integer $length  | 
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| 17 | 17 | * @return string  | 
                                                        
| 18 | 18 | */  | 
                                                        
| 19 | 19 | protected function generate($length)  | 
                                                        
@@ -33,7 +33,7 @@ discard block  | 
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| 33 | 33 | * Generate a random string.  | 
                                                        
| 34 | 34 | *  | 
                                                        
| 35 | 35 | * @param $size  | 
                                                        
| 36 | - * @return mixed  | 
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| 36 | + * @return string  | 
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| 37 | 37 | */  | 
                                                        
| 38 | 38 | private function generateAlpha($size)  | 
                                                        
| 39 | 39 |      { | 
                                                        
@@ -73,7 +73,7 @@ discard block  | 
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| 73 | 73 | /**  | 
                                                        
| 74 | 74 | * Return a string in the proper case.  | 
                                                        
| 75 | 75 | *  | 
                                                        
| 76 | - * @param $string  | 
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| 76 | + * @param string $string  | 
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| 77 | 77 | * @return string  | 
                                                        
| 78 | 78 | */  | 
                                                        
| 79 | 79 | private function changeCase($string)  |