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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 4622 | * @return string The date the post was last modified. |
| 4623 | */ |
| 4624 | function get_lastpostmodified($timezone = 'server') { |
| 4625 | $lastpostmodified = _get_last_post_time( $timezone, 'modified' ); |
| 4626 | |
| 4627 | $lastpostdate = get_lastpostdate($timezone); |
| 4628 | if ( $lastpostdate > $lastpostmodified ) |
| 4629 | $lastpostmodified = $lastpostdate; |
| 4630 | |
| 4631 | return apply_filters( 'get_lastpostmodified', $lastpostmodified, $timezone ); |
| 4632 | } |
| 4633 | |
| 4634 | /** |
| 4635 | * Retrieve latest post date data based on timezone. |
| 4636 | * |
| 4637 | * @access private |
| 4638 | * @since 3.1.0 |
| 4639 | * |
| 4640 | * @param string $timezone The location to get the time. Can be 'gmt', 'blog', or 'server'. |