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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 |
|---|---|
| 2442 | |
| 2443 | /** |
| 2444 | * Filters the expanded array of starter content. |
| 2445 | * |
| 2446 | * @since 4.7.0 |
| 2447 | * |
| 2448 | * @param array $content Array of starter content. |
| 2449 | * @param array $config Array of theme-specific starter content configuration. |
| 2450 | */ |
| 2451 | return apply_filters( 'get_theme_starter_content', $content, $config ); |
| 2452 | } |
| 2453 | |
| 2454 | /** |
| 2455 | * Registers theme support for a given feature. |
| 2456 | * |
| 2457 | * Must be called in the theme's functions.php file to work. |
| 2458 | * If attached to a hook, it must be {@see 'after_setup_theme'}. |
| 2459 | * The {@see 'init'} hook may be too late for some features. |
| 2460 | * |