wp_cache_get_last_changed( string $group ): string

Gets last changed date for the specified cache group.


Parameters

$group string Required
Where the cache contents are grouped.

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Return

string UNIX timestamp with microseconds representing when the group was last changed.


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Source

File: wp-includes/functions.php. View all references

function wp_cache_get_last_changed( $group ) {
	$last_changed = wp_cache_get( 'last_changed', $group );

	if ( ! $last_changed ) {
		$last_changed = microtime();
		wp_cache_set( 'last_changed', $last_changed, $group );
	}

	return $last_changed;
}


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Changelog

Changelog
Version Description
4.7.0 Introduced.

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