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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 |
|---|---|
| 3019 | * The dynamic portion of the hook name, `$feature`, refers to the specific |
| 3020 | * theme feature. See add_theme_support() for the list of possible values. |
| 3021 | * |
| 3022 | * @since 3.4.0 |
| 3023 | * |
| 3024 | * @param bool $supports Whether the current theme supports the given feature. Default true. |
| 3025 | * @param array $args Array of arguments for the feature. |
| 3026 | * @param string $feature The theme feature. |
| 3027 | */ |
| 3028 | return apply_filters( "current_theme_supports-{$feature}", true, $args, $_wp_theme_features[ $feature ] ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
| 3029 | } |
| 3030 | |
| 3031 | /** |
| 3032 | * Checks a theme's support for a given feature before loading the functions which implement it. |
| 3033 | * |
| 3034 | * @since 2.9.0 |
| 3035 | * |
| 3036 | * @param string $feature The feature being checked. See add_theme_support() for the list |
| 3037 | * of possible values. |