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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 |
|---|---|
| 2423 | * |
| 2424 | * @since 2.1.0 |
| 2425 | * |
| 2426 | * @param string $the_modified_date The last modified date. |
| 2427 | * @param string $d PHP date format. Defaults to 'date_format' option |
| 2428 | * if not specified. |
| 2429 | * @param string $before HTML output before the date. |
| 2430 | * @param string $after HTML output after the date. |
| 2431 | */ |
| 2432 | $the_modified_date = apply_filters( 'the_modified_date', $the_modified_date, $d, $before, $after ); |
| 2433 | |
| 2434 | if ( $echo ) { |
| 2435 | echo $the_modified_date; |
| 2436 | } else { |
| 2437 | return $the_modified_date; |
| 2438 | } |
| 2439 | |
| 2440 | } |
| 2441 | |