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Interface CacheEngineInterface

Interface for cache engines that defines methods outside of the PSR16 interface that are used by Cache.

Internally Cache uses this interface when calling engine methods.

Direct Implementers

Namespace: Cake\Cache
Since: 3.7.0
Location: Cache/CacheEngineInterface.php

Method Summary

  • add() public
    Write data for key into a cache engine if it doesn't exist already.
  • clearGroup() public
    Clear all values belonging to the named group.
  • decrement() public
    Decrement a number under the key and return decremented value
  • increment() public
    Increment a number under the key and return incremented value

Method Detail

add()source public

add( string $key , mixed $value )

Write data for key into a cache engine if it doesn't exist already.

Parameters

string $key
Identifier for the data.
mixed $value
Data to be cached - anything except a resource.

Returns

boolean

True if the data was successfully cached, false on failure. Or if the key existed already.


clearGroup()source public

clearGroup( string $group )

Clear all values belonging to the named group.

Each implementation needs to decide whether actually delete the keys or just augment a group generation value to achieve the same result.

Parameters

string $group
name of the group to be cleared

Returns

boolean

decrement()source public

decrement( string $key , integer $offset = 1 )

Decrement a number under the key and return decremented value

Parameters

string $key
Identifier for the data
integer $offset optional 1
How much to subtract

Returns

boolean|integer
New incremented value, false otherwise

increment()source public

increment( string $key , integer $offset = 1 )

Increment a number under the key and return incremented value

Parameters

string $key
Identifier for the data
integer $offset optional 1
How much to add

Returns

boolean|integer
New incremented value, false otherwise

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https://api.cakephp.org/3.7/class-Cake.Cache.CacheEngineInterface.html