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<?php |
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namespace Basis; |
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use Basis\Converter; |
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use Carbon\Carbon; |
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class Cache |
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{ |
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private $converter; |
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39 |
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public function __construct(Converter $converter) |
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{ |
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$this->converter = $converter; |
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if (!is_dir('.cache')) { |
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mkdir('.cache'); |
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} |
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} |
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private $cache = []; |
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public function exists($key) |
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{ |
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$filename = '.cache/'.$key; |
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if (file_exists($filename)) { |
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if (!array_key_exists($key, $this->cache)) { |
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$this->cache[$key] = include $filename; |
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} |
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return $this->cache[$key]['expire'] > Carbon::now()->getTimestamp(); |
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} |
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} |
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public function get($key) |
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{ |
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if ($this->exists($key)) { |
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return $this->converter->toObject($this->cache[$key]); |
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} |
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} |
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public function set($key, $value) |
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{ |
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$filename = '.cache/'.$key; |
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$data = $this->converter->toArray($value); |
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$string = '<?php return '.var_export($data, true).';'; |
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file_put_contents($filename, $string); |
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$this->cache[$key] = $data; |
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} |
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public function wrap($key, $callback) |
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{ |
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$hash = md5(json_encode($key)); |
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if ($this->exists($hash)) { |
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return $this->get($hash); |
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} |
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$result = call_user_func($callback); |
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$expire = null; |
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if (is_array($result) && array_key_exists('expire', $result)) { |
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$expire = $result['expire']; |
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} elseif (is_object($result) && property_exists($result, 'expire')) { |
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$expire = $result->expire; |
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} |
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if ($expire && $expire > Carbon::now()->getTimestamp()) { |
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$this->set($hash, $result); |
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} |
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return $result; |
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} |
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} |
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basis-company /
framework.php
