| 1 | <?php | ||
| 11 | class CodeTable extends LazyResource | ||
| 12 | { | ||
| 13 | /** @var string */ | ||
| 14 | public $code; | ||
| 15 | |||
| 16 | /** | ||
| 17 | * CodeTable constructor. | ||
| 18 | * | ||
| 19 | * @param Client $client | ||
| 20 | * @param string $code | ||
| 21 | */ | ||
| 22 | public function __construct(Client $client, $code) | ||
| 27 | |||
| 28 | /** | ||
| 29 | * Return a single row referring to the code table. | ||
| 30 | * | ||
| 31 | * @param $code - The code in the Table we want to pull. | ||
| 32 | * | ||
| 33 | * @return object - the row in the code table. | ||
| 34 | */ | ||
| 35 | public function getRowByCode($code) | ||
| 49 | |||
| 50 | /** | ||
| 51 | * Check if we have the full representation of our data object. | ||
| 52 | * | ||
| 53 | * @param \stdClass $data | ||
| 54 | * | ||
| 55 | * @return bool | ||
| 56 | */ | ||
| 57 | protected function isInitialized($data) | ||
| 61 | |||
| 62 | /** | ||
| 63 | * Generate the base URL for this resource. | ||
| 64 | * | ||
| 65 | * @return string | ||
| 66 | */ | ||
| 67 | protected function urlBase() | ||
| 71 | |||
| 72 | } | ||
| 73 | 
If you define a variable conditionally, it can happen that it is not defined for all execution paths.
Let’s take a look at an example:
In the above example, the variable $x is defined if you pass “foo” or “bar” as argument for $a. However, since the switch statement has no default case statement, if you pass any other value, the variable $x would be undefined.
Available Fixes
Check for existence of the variable explicitly:
Define a default value for the variable:
Add a value for the missing path: