dev-think-one /
ipro-software-api-php
| 1 | <?php |
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| 2 | |||
| 3 | namespace IproSoftwareApi\AccessToken; |
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| 4 | |||
| 5 | use IproSoftwareApi\Contracts\AccessToken; |
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| 6 | use IproSoftwareApi\Contracts\AccessTokenCacher; |
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| 7 | |||
| 8 | class FileCacher implements AccessTokenCacher |
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| 9 | { |
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| 10 | /** |
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| 11 | * @var string |
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| 12 | */ |
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| 13 | protected $filePath; |
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| 14 | |||
| 15 | /** |
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| 16 | * FileCacher constructor. |
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| 17 | * |
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| 18 | * @param string $filePath |
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| 19 | */ |
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| 20 | 2 | public function __construct(string $filePath) |
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| 21 | { |
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| 22 | 2 | $this->filePath = $filePath; |
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| 23 | } |
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| 24 | |||
| 25 | /** |
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| 26 | * Store an item in the cache. |
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| 27 | * |
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| 28 | * @param mixed $accessToken |
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| 29 | * @param int $ttl - time in seconds |
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| 30 | * |
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| 31 | * @return bool |
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| 32 | * @static |
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| 33 | */ |
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| 34 | 2 | public function put(AccessToken $accessToken, int $ttl = 0) |
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| 35 | { |
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| 36 | 2 | return (bool) file_put_contents($this->filePath, serialize($accessToken)); |
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| 37 | } |
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| 38 | |||
| 39 | /** |
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| 40 | * Retrieve an item from the cache by key. |
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| 41 | * |
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| 42 | * @return mixed |
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| 43 | * @static |
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| 44 | */ |
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| 45 | 1 | public function get(): ?AccessToken |
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| 46 | { |
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| 47 | 1 | $token = unserialize(file_get_contents($this->filePath)); |
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| 48 | |||
| 49 | 1 | return ($token instanceof AccessToken) ? $token : null; |
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| 50 | } |
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| 51 | } |
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| 52 |
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: