7 methods override CacheBackendInterface::deleteAll()
- ApcuBackend::deleteAll in core/
lib/ Drupal/ Core/ Cache/ ApcuBackend.php  - Deletes all cache items in a bin.
 - BackendChain::deleteAll in core/
lib/ Drupal/ Core/ Cache/ BackendChain.php  - Deletes all cache items in a bin.
 - ChainedFastBackend::deleteAll in core/
lib/ Drupal/ Core/ Cache/ ChainedFastBackend.php  - Deletes all cache items in a bin.
 - DatabaseBackend::deleteAll in core/
lib/ Drupal/ Core/ Cache/ DatabaseBackend.php  - Deletes all cache items in a bin.
 - MemoryBackend::deleteAll in core/
lib/ Drupal/ Core/ Cache/ MemoryBackend.php  - Deletes all cache items in a bin.
 - NullBackend::deleteAll in core/
lib/ Drupal/ Core/ Cache/ NullBackend.php  - Deletes all cache items in a bin.
 - PhpBackend::deleteAll in core/
lib/ Drupal/ Core/ Cache/ PhpBackend.php  - Deletes all cache items in a bin.
 
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