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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 |
|---|---|
| 46 | * "special". |
| 47 | * |
| 48 | * @uses locate_template() |
| 49 | * @since 1.5.0 |
| 50 | * @uses do_action() Calls 'get_footer' action. |
| 51 | * |
| 52 | * @param string $name The name of the specialised footer. |
| 53 | */ |
| 54 | function get_footer( $name = null ) { |
| 55 | do_action( 'get_footer', $name ); |
| 56 | |
| 57 | $templates = array(); |
| 58 | $name = (string) $name; |
| 59 | if ( '' !== $name ) |
| 60 | $templates[] = "footer-{$name}.php"; |
| 61 | |
| 62 | $templates[] = 'footer.php'; |
| 63 | |
| 64 | // Backward compat code will be removed in a future release |