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MDL-74438 cache: Check if cached value is boolean false

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Cameron Ball 2022-04-06 14:42:10 +08:00
parent b5f51883f0
commit 8937de6f40
1 changed files with 1 additions and 1 deletions
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2
cache/stores/file/lib.php vendored
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@ -518,7 +518,7 @@ class cachestore_file extends cache_store implements cache_is_key_aware, cache_i
*/
protected function prep_data_after_read($data) {
$result = @unserialize($data);
if ($result === false) {
if ($result === false && $data != serialize(false)) {
throw new coding_exception('Failed to unserialise data from file. Either failed to read, or failed to write.');
}
return $result;