public static function cas($k, $ov, $nv)
{
if (function_exists('apc_cas')) {
return apc_cas($k, $ov, $nv);
} elseif (function_exists('apcu_cas')) {
return apcu_cas($k, $ov, $nv);
}
return false;
}
public function testApcu()
{
$key = __CLASS__;
apcu_delete($key);
$this->assertFalse(apcu_exists($key));
$this->assertTrue(apcu_add($key, 123));
$this->assertTrue(apcu_exists($key));
$this->assertSame(array($key => -1), apcu_add(array($key => 123)));
$this->assertSame(123, apcu_fetch($key));
$this->assertTrue(apcu_store($key, 124));
$this->assertSame(124, apcu_fetch($key));
$this->assertSame(125, apcu_inc($key));
$this->assertSame(124, apcu_dec($key));
$this->assertTrue(apcu_cas($key, 124, 123));
$this->assertFalse(apcu_cas($key, 124, 123));
$this->assertTrue(apcu_delete($key));
$this->assertFalse(apcu_delete($key));
$this->assertArrayHasKey('cache_list', apcu_cache_info());
}
/**
* Internal method to set an item only if token matches
*
* @param mixed $token
* @param string $normalizedKey
* @param mixed $value
* @return bool
* @see getItem()
* @see setItem()
*/
protected function internalCheckAndSetItem(&$token, &$normalizedKey, &$value)
{
if (is_int($token) && is_int($value)) {
return apcu_cas($normalizedKey, $token, $value);
}
return parent::internalCheckAndSetItem($token, $normalizedKey, $value);
}
/**
* Compare and set
*
* @param string $key
* @param mixed $old
* @param mixed $new
* @return bool
*/
public function cas($key, $old, $new)
{
// apc only does cas for ints
if (is_int($old) and is_int($new)) {
return apcu_cas($this->getPrefix() . $key, $old, $new);
} else {
return $this->casEmulated($key, $old, $new);
}
}
function apc_cas($key, $old, $new)
{
return apcu_cas($key, $old, $new);
}
function apc_cas($key, $old, $new)
{
apcu_cas($key, $old, $new);
}
/**
* Sets a new value if a key has a certain value.
*
* Sets a new value if a key has a certain value. This function only works
* when $old and $new are longs.
*
* @param string $key Key of the value to compare and set.
* @param int $old The value to compare the key against.
* @param int $new The value to set the key to.
*
* @return bool TRUE on success, FALSE on failure.
*/
public function cas($key, $old, $new)
{
return apcu_cas($this->persistentId . 'd ' . $key, $old, $new);
}
public function cas($key, $old, $new)
{
return apcu_cas($key, $old, $new);
}