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<?php
namespace Safe;
use Safe\Exceptions\ApcuException;
/**
* Retrieves cached information and meta-data from APC's data store.
*
* @param bool $limited If limited is TRUE, the
* return value will exclude the individual list of cache entries. This
* is useful when trying to optimize calls for statistics gathering.
* @return array Array of cached data (and meta-data)
* @throws ApcuException
*
*/
function apcu_cache_info(bool $limited = false): array
{
error_clear_last();
$result = \apcu_cache_info($limited);
if ($result === false) {
throw ApcuException::createFromPhpError();
}
return $result;
}
/**
* apcu_cas updates an already existing integer value if the
* old parameter matches the currently stored value
* with the value of the new parameter.
*
* @param string $key The key of the value being updated.
* @param int $old The old value (the value currently stored).
* @param int $new The new value to update to.
* @throws ApcuException
*
*/
function apcu_cas(string $key, int $old, int $new): void
{
error_clear_last();
$result = \apcu_cas($key, $old, $new);
if ($result === false) {
throw ApcuException::createFromPhpError();
}
}
/**
* Decreases a stored integer value.
*
* @param string $key The key of the value being decreased.
* @param int $step The step, or value to decrease.
* @param bool|null $success Optionally pass the success or fail boolean value to
* this referenced variable.
* @param int $ttl TTL to use if the operation inserts a new value (rather than decrementing an existing one).
* @return int Returns the current value of key's value on success
* @throws ApcuException
*
*/
function apcu_dec(string $key, int $step = 1, ?bool &$success = null, int $ttl = 0): int
{
error_clear_last();
$result = \apcu_dec($key, $step, $success, $ttl);
if ($result === false) {
throw ApcuException::createFromPhpError();
}
return $result;
}
/**
* Increases a stored number.
*
* @param string $key The key of the value being increased.
* @param int $step The step, or value to increase.
* @param bool|null $success Optionally pass the success or fail boolean value to
* this referenced variable.
* @param int $ttl TTL to use if the operation inserts a new value (rather than incrementing an existing one).
* @return int Returns the current value of key's value on success
* @throws ApcuException
*
*/
function apcu_inc(string $key, int $step = 1, ?bool &$success = null, int $ttl = 0): int
{
error_clear_last();
$result = \apcu_inc($key, $step, $success, $ttl);
if ($result === false) {
throw ApcuException::createFromPhpError();
}
return $result;
}
/**
* Retrieves APCu Shared Memory Allocation information.
*
* @param bool $limited When set to FALSE (default) apcu_sma_info will
* return a detailed information about each segment.
* @return array Array of Shared Memory Allocation data; FALSE on failure.
* @throws ApcuException
*
*/
function apcu_sma_info(bool $limited = false): array
{
error_clear_last();
$result = \apcu_sma_info($limited);
if ($result === false) {
throw ApcuException::createFromPhpError();
}
return $result;
}
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