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Searching for Files

Since TYPO3 9.5.6, there is an API in FAL to search for files in a storage or folder, which includes matches in meta data of those files. The given search term is looked for in all search fields defined in TCA of sys_file and sys_file_metadata tables.

Searching for files in a folder works like this:

use TYPO3\CMS\Core\Resource\Search\FileSearchDemand;

$searchDemand = FileSearchDemand::createForSearchTerm($searchWord)->withRecursive();
$files = $folder->searchFiles($searchDemand);

Searching for files in a complete storage works like this:

$searchDemand = FileSearchDemand::createForSearchTerm($searchWord)->withRecursive();
$files = $storage->searchFiles($searchDemand);

It is possible to further limit the result set, by adding additional restrictions to the FileSearchDemand. Please note, that FileSearchDemand is an immutable value object, but allows chaining methods for ease of use:

$searchDemand = FileSearchDemand::createForSearchTerm($this->searchWord)
$files = $storage->searchFiles($searchDemand);

There is also a driver capability \TYPO3\CMS\Core\Resource\ResourceStorageInterface::CAPABILITY_HIERARCHICAL_IDENTIFIERS to allow implementing an optimized search with good performance. Drivers can optionally add this capability in case the identifiers that are constructed by the driver include the directory structure. Adding this capability to drivers can provide a big performance boost when it comes to recursive search (which is default in the file list and file browser UI).