Move from SETEX to SET EX

lib/private/Memcache/Redis.php

@@ -53,32 +53,29 @@ public function getCache() {
 	}
 
 	public function get($key) {
- $result = $this->getCache()->get($this->getPrefix() . $key);
- if ($result === false && !$this->getCache()->exists($this->getPrefix() . $key)) {
+ $key = $this->getPrefix() . $key;
+ $result = $this->getCache()->get($key);
+ if ($result === false) {
  return null;
- } else {
- return json_decode($result, true);
  }
+ return json_decode($result, true);
 	}
 
 	public function set($key, $value, $ttl = 0) {
+ $key = $this->getPrefix() . $key;
+ $value = json_encode($value);
  if ($ttl > 0) {
- return $this->getCache()->setex($this->getPrefix() . $key, $ttl, json_encode($value));
- } else {
- return $this->getCache()->set($this->getPrefix() . $key, json_encode($value));
+ return $this->getCache()->set($key, $value, $ttl);
  }
+ return $this->getCache()->set($key, $value);
 	}
 
 	public function hasKey($key) {
  return (bool)$this->getCache()->exists($this->getPrefix() . $key);
 	}
 
 	public function remove($key) {
- if ($this->getCache()->unlink($this->getPrefix() . $key)) {
- return true;
- } else {
- return false;
- }
+ return (bool)$this->getCache()->unlink($this->getPrefix() . $key);
 	}
 
 	public function clear($prefix = '') {