core_upgrade_preamble WordPress Action Hook

The WordPress core upgrade preamble hook is triggered before the actual upgrade process begins. It allows you to do any necessary preparations or cleanups before the upgrade starts.

do_action( 'core_upgrade_preamble' ) #

Fires after the core, plugin, and theme update tables.

Contents

Source

File: wp-admin/update-core.php

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Changelog

Changelog
VersionDescription
2.9.0Introduced.
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