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do_action( 'deprecated_hook_run', string $hook, string $replacement, string $version, string $message )

Fires when a deprecated hook is called.

$hook: (string) The hook that was called.
$replacement: (string) The hook that should be used as a replacement.
$version: (string) The version of WordPress that deprecated the argument used.
$message: (string) A message regarding the change.

Used By	Description
wp-includes/functions.php: _deprecated_hook()	Marks a deprecated action or filter hook as deprecated and throws a notice.

Version	Description
4.6.0	Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/deprecated_hook_run