| Conditions | 1 | 
| Paths | 1 | 
| Total Lines | 10 | 
| Code Lines | 6 | 
| Lines | 0 | 
| Ratio | 0 % | 
| Changes | 1 | ||
| Bugs | 0 | Features | 0 | 
| 1 | <?php  | 
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| 37 | public function change_email($enabled = null, $subdomains = null, $prepend_links_with = null)  | 
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| 38 |     { | 
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| 39 | $data = [  | 
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| 40 | 'enabled' => $enabled,  | 
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| 41 | 'subdomains' => $subdomains,  | 
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| 42 | 'prepend_links_with' => $prepend_links_with,  | 
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| 43 | ];  | 
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| 44 | |||
| 45 |         return $this->put('zones/'.$zone_identifier.'/amp/viewer', $data); | 
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| 46 | }  | 
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| 47 | }  | 
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| 48 | 
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.