Manual:Hooks/ValidateExtendedMetadataCache

From Linux Web Expert

ValidateExtendedMetadataCache
<translate> Available from <tvar name=1><translate> version <tvar (Gerrit change 78926)</tvar></translate>
Called to validate the cached metadata in FormatMetadata::getExtendedMeta (return false means cache will be invalidated and the GetExtendedMetadata hook will called again).
<translate> Define function:</translate>
public static function onValidateExtendedMetadataCache( $timestamp, File $file ) { ... }
<translate> Attach hook:</translate> <translate> In <tvar name=1>extension.json</tvar>:</translate>
{
	"Hooks": {
		"ValidateExtendedMetadataCache": "MediaWiki\\Extension\\MyExtension\\Hooks::onValidateExtendedMetadataCache"
	}
}
<translate> Called from:</translate> <translate> File(s):</translate> media/FormatMetadata.php
<translate> Function(s):</translate> fetchExtendedMetadata
<translate> Interface:</translate> ValidateExtendedMetadataCacheHook.php

<translate> For more information about attaching hooks, see <tvar name=1>Manual:Hooks </tvar>.</translate>
<translate> For examples of extensions using this hook, see <tvar name=cat>Category:ValidateExtendedMetadataCache extensions</tvar>.</translate>


Details

  • $timestamp: The timestamp metadata was generated
  • $file: The file the metadata is for