1: | <?php
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2: | namespace Opencart\System\Library\Cache;
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3: | |
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8: | class File {
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9: | |
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12: | private int $expire;
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19: | public function __construct(int $expire = 3600) {
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20: | $this->expire = $expire;
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21: | }
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22: |
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30: | public function get(string $key) {
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31: |
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32: |
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33: |
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34: | $files = glob(DIR_CACHE . 'cache.' . preg_replace('/[^A-Z0-9\._-]/i', '', $key) . '.*');
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35: |
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36: | if ($files) {
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37: | return json_decode(file_get_contents($files[0]), true);
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38: | } else {
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39: | return [];
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40: | }
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41: | }
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52: | public function set(string $key, $value, int $expire = 0): void {
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53: | $this->delete($key);
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54: |
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55: | if (!$expire) {
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56: | $expire = $this->expire;
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57: | }
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58: |
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59: | file_put_contents(DIR_CACHE . 'cache.' . preg_replace('/[^A-Z0-9\._-]/i', '', $key) . '.' . (time() + $expire), json_encode($value));
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60: | }
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61: |
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68: |
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69: | public function delete(string $key): void {
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70: | $files = glob(DIR_CACHE . 'cache.' . preg_replace('/[^A-Z0-9\._-]/i', '', $key) . '.*');
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71: |
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72: | if ($files) {
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73: | foreach ($files as $file) {
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74: | if (!@unlink($file)) {
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75: | clearstatcache(false, $file);
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76: | }
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77: | }
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78: | }
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79: | }
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80: |
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83: |
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84: | public function __destruct() {
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85: | $files = glob(DIR_CACHE . 'cache.*');
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86: |
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87: | if ($files && mt_rand(1, 100) == 1) {
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88: | foreach ($files as $file) {
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89: | $time = substr(strrchr($file, '.'), 1);
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90: |
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91: | if ($time < time()) {
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92: | if (!@unlink($file)) {
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93: | clearstatcache(false, $file);
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94: | }
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95: | }
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96: | }
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97: | }
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98: | }
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99: | }
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100: | |