docs/api/source-system.library.cache.file.html
| 1: | <?php | | 2: | namespace Opencart\System\Library\Cache; | | 3: | /** | | 4: | * Class File | | 5: | * | | 6: | * @package Opencart\System\Library\Cache | | 7: | */ | | 8: | class File { | | 9: | /** | | 10: | * @var int | | 11: | */ | | 12: | private int $expire; | | 13: | | | 14: | /** | | 15: | * Constructor | | 16: | * | | 17: | * @param int $expire | | 18: | */ | | 19: | public function __construct(int $expire = 3600) { | | 20: | $this->expire = $expire; | | 21: | } | | 22: | | | 23: | /** | | 24: | * Get | | 25: | * | | 26: | * @param string $key | | 27: | * | | 28: | * @return mixed | | 29: | */ | | 30: | public function get(string $key) { | | 31: | //$key = md5($key); | | 32: | //sprintf(); | | 33: | | | 34: | $files = glob(DIR_CACHE . 'cache.' . preg_replace('/[^A-Z0-9._-]/i', '', $key) . '.*'); | | 35: | | | 36: | if ($files) { | | 37: | return json_decode(file_get_contents($files[0]), true); | | 38: | } else { | | 39: | return []; | | 40: | } | | 41: | } | | 42: | | | 43: | /** | | 44: | * Set | | 45: | * | | 46: | * @param string $key | | 47: | * @param mixed $value | | 48: | * @param int $expire | | 49: | * | | 50: | * @return void | | 51: | */ | | 52: | public function set(string $key, $value, int $expire = 0): void { | | 53: | $this->delete($key); | | 54: | | | 55: | if (!$expire) { | | 56: | $expire = $this->expire; | | 57: | } | | 58: | | | 59: | file_put_contents(DIR_CACHE . 'cache.' . preg_replace('/[^A-Z0-9._-]/i', '', $key) . '.' . (time() + $expire), json_encode($value)); | | 60: | } | | 61: | | | 62: | /** | | 63: | * Delete | | 64: | * | | 65: | * @param string $key | | 66: | * | | 67: | * @return void | | 68: | */ | | 69: | public function delete(string $key): void { | | 70: | $files = glob(DIR_CACHE . 'cache.' . preg_replace('/[^A-Z0-9._-]/i', '', $key) . '.*'); | | 71: | | | 72: | if ($files) { | | 73: | foreach ($files as $file) { | | 74: | if (!@unlink($file)) { | | 75: | clearstatcache(false, $file); | | 76: | } | | 77: | } | | 78: | } | | 79: | } | | 80: | | | 81: | /** | | 82: | * Destructor | | 83: | */ | | 84: | public function __destruct() { | | 85: | $files = glob(DIR_CACHE . 'cache.*'); | | 86: | | | 87: | if ($files && mt_rand(1, 100) == 1) { | | 88: | foreach ($files as $file) { | | 89: | $time = substr(strrchr($file, '.'), 1); | | 90: | | | 91: | if ($time < time()) { | | 92: | if (!@unlink($file)) { | | 93: | clearstatcache(false, $file); | | 94: | } | | 95: | } | | 96: | } | | 97: | } | | 98: | } | | 99: | } | | 100: | |
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