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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 |
|---|---|
| 2189 | |
| 2190 | /** |
| 2191 | * Filters the expanded array of starter content. |
| 2192 | * |
| 2193 | * @since 4.7.0 |
| 2194 | * |
| 2195 | * @param array $content Array of starter content. |
| 2196 | * @param array $config Array of theme-specific starter content configuration. |
| 2197 | */ |
| 2198 | return apply_filters( 'get_theme_starter_content', $content, $config ); |
| 2199 | } |
| 2200 | |
| 2201 | /** |
| 2202 | * Registers theme support for a given feature. |
| 2203 | * |
| 2204 | * Must be called in the theme's functions.php file to work. |
| 2205 | * If attached to a hook, it must be {@see 'after_setup_theme'}. |
| 2206 | * The {@see 'init'} hook may be too late for some features. |
| 2207 | * |