protected function ExifTagMapper::getSupportedKeysMap in File metadata manager 8
Same name and namespace in other branches
- 8.2 file_mdm_exif/src/ExifTagMapper.php \Drupal\file_mdm_exif\ExifTagMapper::getSupportedKeysMap()
Returns the list of supported metadata 'keys'.
Builds and caches the list as needed.
Return value
array A simple array of IFD/TAG combinations, expressed as literals.
1 call to ExifTagMapper::getSupportedKeysMap()
- ExifTagMapper::getSupportedKeys in file_mdm_exif/
src/ ExifTagMapper.php - Returns a list of default metadata 'keys' supported.
File
- file_mdm_exif/
src/ ExifTagMapper.php, line 189
Class
- ExifTagMapper
- Provides a mapping service for EXIF ifds and tags.
Namespace
Drupal\file_mdm_exifCode
protected function getSupportedKeysMap() {
if (!$this->supportedKeysMap) {
$cache_id = 'supportedKeys';
if ($cache = $this
->getCache($cache_id)) {
$this->supportedKeysMap = $cache->data;
}
else {
$this->supportedKeysMap = [];
foreach ($this
->getSupportedIfdsMap() as $ifd) {
$ifd_obj = new PelIfd($ifd[1]);
$valid_tags = $ifd_obj
->getValidTags();
foreach ($valid_tags as $tag) {
$this->supportedKeysMap[] = [
$ifd[0],
PelTag::getName($ifd[1], $tag),
];
}
}
$this
->setCache($cache_id, $this->supportedKeysMap);
}
}
return $this->supportedKeysMap;
}