8 methods override CacheBackendInterface::invalidateAll()

ApcuBackend::invalidateAll in core/lib/Drupal/Core/Cache/ApcuBackend.php
Marks all cache items as invalid.
BackendChain::invalidateAll in core/lib/Drupal/Core/Cache/BackendChain.php
Marks all cache items as invalid.
CacheBackendDecorator::invalidateAll in core/modules/system/tests/modules/performance_test/src/Cache/CacheBackendDecorator.php
Marks all cache items as invalid.
ChainedFastBackend::invalidateAll in core/lib/Drupal/Core/Cache/ChainedFastBackend.php
Marks all cache items as invalid.
DatabaseBackend::invalidateAll in core/lib/Drupal/Core/Cache/DatabaseBackend.php
Marks all cache items as invalid.
MemoryBackend::invalidateAll in core/lib/Drupal/Core/Cache/MemoryBackend.php
Marks all cache items as invalid.
NullBackend::invalidateAll in core/lib/Drupal/Core/Cache/NullBackend.php
Marks all cache items as invalid.
PhpBackend::invalidateAll in core/lib/Drupal/Core/Cache/PhpBackend.php
Marks all cache items as invalid.

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