@@ -75,7 +75,7 @@ discard block  | 
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| 75 | 75 | */  | 
                                                        
| 76 | 76 | public function setSeparator($separator)  | 
                                                        
| 77 | 77 |      { | 
                                                        
| 78 | -        if (! is_null($separator)) { | 
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| 78 | +        if (!is_null($separator)) { | 
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| 79 | 79 | $this->separator = (string) $separator;  | 
                                                        
| 80 | 80 | }  | 
                                                        
| 81 | 81 | |
@@ -100,7 +100,7 @@ discard block  | 
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| 100 | 100 | */  | 
                                                        
| 101 | 101 | public function setSiteName($siteName)  | 
                                                        
| 102 | 102 |      { | 
                                                        
| 103 | -        if (! is_null($siteName)) { | 
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| 103 | +        if (!is_null($siteName)) { | 
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| 104 | 104 | $this->siteName = (string) $siteName;  | 
                                                        
| 105 | 105 | }  | 
                                                        
| 106 | 106 | |
@@ -204,7 +204,7 @@ discard block  | 
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| 204 | 204 | */  | 
                                                        
| 205 | 205 | public function isSiteNameVisible()  | 
                                                        
| 206 | 206 |      { | 
                                                        
| 207 | - return ! is_null($this->siteName) && $this->siteNameVisibility;  | 
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| 207 | + return !is_null($this->siteName) && $this->siteNameVisibility;  | 
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| 208 | 208 | }  | 
                                                        
| 209 | 209 | |
| 210 | 210 | /**  |