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