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Docs: Clarify the usage of `null` for `auto_update_{$type}` filter. 

The value is internally used to detect whether nothing has hooked into this filter.

Props audrasjb, pbiron, johnbillion, SergeyBiryukov.
Fixes #50848.

git-svn-id: https://develop.svn.wordpress.org/trunk@48909 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov 2020-08-31 13:18:39 +00:00
parent d841231933
commit 812f49ae05
1 changed files with 4 additions and 2 deletions
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6
src/wp-admin/includes/class-wp-automatic-updater.php
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@ -195,9 +195,11 @@ class WP_Automatic_Updater {
* adjust core updates.
*
* @since 3.7.0
* @since 5.5.0 The `$update` parameter accepts the value of null.
*
* @param bool $update Whether to update.
* @param object $item The update offer.
* @param bool|null $update Whether to update. The value of null is internally used
* to detect whether nothing has hooked into this filter.
* @param object $item The update offer.
*/
$update = apply_filters( "auto_update_{$type}", $update, $item );