php bin/php/ezcache.php --clear-all --purge
Purging All cache: 
Content view cachePHP Warning:  strstr() expects parameter 1 to be string, array given in /var/www/ezpublish5/ezpublish_legacy/extension/ezdfs-fsbackend-dispatcher/classes/ezdfsfilehandlerdfsregistry.php on line 58
PHP Stack trace:
PHP   1. {main}() /var/www/ezpublish5/ezpublish_legacy/bin/php/ezcache.php:0
PHP   2. eZCacheHelper->purgeItems() /var/www/ezpublish5/ezpublish_legacy/bin/php/ezcache.php:149
PHP   3. eZCacheHelper->internalClear() /var/www/ezpublish5/ezpublish_legacy/lib/ezutils/classes/ezcachehelper.php:36
PHP   4. eZCache::clearItem() /var/www/ezpublish5/ezpublish_legacy/lib/ezutils/classes/ezcachehelper.php:129
PHP   5. eZDFSFileHandler->purge() /var/www/ezpublish5/ezpublish_legacy/kernel/classes/ezcache.php:511
PHP   6. eZDFSFileHandlerMySQLiBackend->_purgeByLike() /var/www/ezpublish5/ezpublish_legacy/kernel/private/classes/clusterfilehandlers/ezdfsfilehandler.php:1101
PHP   7. eZDFSFileHandlerDFSDispatcher->delete() /var/www/ezpublish5/ezpublish_legacy/kernel/private/classes/clusterfilehandlers/dfsbackends/mysqli.php:393
PHP   8. eZDFSFileHandlerDFSDispatcher->getHandler() /var/www/ezpublish5/ezpublish_legacy/extension/ezdfs-fsbackend-dispatcher/classes/ezdfsfilehandlerdfsdispatcher.php:115
PHP   9. eZDFSFileHandlerDFSRegistry->getHandler() /var/www/ezpublish5/ezpublish_legacy/extension/ezdfs-fsbackend-dispatcher/classes/ezdfsfilehandlerdfsdispatcher.php:43
PHP  10. strstr() /var/www/ezpublish5/ezpublish_legacy/extension/ezdfs-fsbackend-dispatcher/classes/ezdfsfilehandlerdfsregistry.php:58
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