Gets last changed date for the specified cache group.

Parameters

$groupstringrequired

Where the cache contents are grouped.

Return

Source

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

	if ( $last_changed ) {
		return $last_changed;
	}

	return wp_cache_set_last_changed( $group );
}

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