Edit file File name : SimpleStringCache.php Content :<?php declare(strict_types=1); namespace Pelago\Emogrifier\Caching; /** * This cache caches string values with string keys. It is not PSR-6-compliant. * * Usage: * * ```php * $cache = new SimpleStringCache(); * $cache->set($key, $value); * … * if ($cache->has($key) { * $cachedValue = $cache->get($value); * } * ``` * * @internal */ class SimpleStringCache { /** * @var array<string, string> */ private $values = []; /** * Checks whether there is an entry stored for the given key. * * @param string $key the key to check; must not be empty * * @throws \InvalidArgumentException */ public function has(string $key): bool { $this->assertNotEmptyKey($key); return isset($this->values[$key]); } /** * Returns the entry stored for the given key, and throws an exception if the value does not exist * (which helps keep the return type simple). * * @param string $key the key to of the item to retrieve; must not be empty * * @return string the retrieved value; may be empty * * @throws \BadMethodCallException */ public function get(string $key): string { if (!$this->has($key)) { throw new \BadMethodCallException('You can only call `get` with a key for an existing value.', 1625996246); } return $this->values[$key]; } /** * Sets or overwrites an entry. * * @param string $key the key to of the item to set; must not be empty * @param string $value the value to set; can be empty * * @throws \BadMethodCallException */ public function set(string $key, string $value): void { $this->assertNotEmptyKey($key); $this->values[$key] = $value; } /** * @throws \InvalidArgumentException */ private function assertNotEmptyKey(string $key): void { if ($key === '') { throw new \InvalidArgumentException('Please provide a non-empty key.', 1625995840); } } } Save