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@ -52,6 +52,9 @@ class Redis extends Cache implements IMemcacheTTL {
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],
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];
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private const DEFAULT_TTL = 24 * 60 * 60; // 1 day
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private const MAX_TTL = 30 * 24 * 60 * 60; // 1 month
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/**
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* @var \Redis|\RedisCluster $cache
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*/
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@ -83,11 +86,12 @@ class Redis extends Cache implements IMemcacheTTL {
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public function set($key, $value, $ttl = 0) {
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$value = self::encodeValue($value);
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if ($ttl > 0) {
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return $this->getCache()->setex($this->getPrefix() . $key, $ttl, $value);
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} else {
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return $this->getCache()->set($this->getPrefix() . $key, $value);
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if ($ttl === 0) {
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// having infinite TTL can lead to leaked keys as the prefix changes with version upgrades
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$ttl = self::DEFAULT_TTL;
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}
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$ttl = min($ttl, self::MAX_TTL);
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return $this->getCache()->setex($this->getPrefix() . $key, $ttl, $value);
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}
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public function hasKey($key) {
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@ -121,11 +125,14 @@ class Redis extends Cache implements IMemcacheTTL {
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*/
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public function add($key, $value, $ttl = 0) {
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$value = self::encodeValue($value);
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if ($ttl === 0) {
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// having infinite TTL can lead to leaked keys as the prefix changes with version upgrades
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$ttl = self::DEFAULT_TTL;
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}
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$ttl = min($ttl, self::MAX_TTL);
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$args = ['nx'];
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if ($ttl !== 0 && is_int($ttl)) {
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$args['ex'] = $ttl;
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}
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$args['ex'] = $ttl;
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return $this->getCache()->set($this->getPrefix() . $key, $value, $args);
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}
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@ -182,6 +189,11 @@ class Redis extends Cache implements IMemcacheTTL {
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}
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public function setTTL($key, $ttl) {
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if ($ttl === 0) {
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// having infinite TTL can lead to leaked keys as the prefix changes with version upgrades
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$ttl = self::DEFAULT_TTL;
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}
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$ttl = min($ttl, self::MAX_TTL);
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$this->getCache()->expire($this->getPrefix() . $key, $ttl);
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}
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