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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 |
|---|---|
| 3079 | * The dynamic portion of the hook name, `$feature`, refers to the specific |
| 3080 | * theme feature. See add_theme_support() for the list of possible values. |
| 3081 | * |
| 3082 | * @since 3.4.0 |
| 3083 | * |
| 3084 | * @param bool $supports Whether the current theme supports the given feature. Default true. |
| 3085 | * @param array $args Array of arguments for the feature. |
| 3086 | * @param string $feature The theme feature. |
| 3087 | */ |
| 3088 | return apply_filters( "current_theme_supports-{$feature}", true, $args, $_wp_theme_features[ $feature ] ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
| 3089 | } |
| 3090 | |
| 3091 | /** |
| 3092 | * Checks a theme's support for a given feature before loading the functions which implement it. |
| 3093 | * |
| 3094 | * @since 2.9.0 |
| 3095 | * |
| 3096 | * @param string $feature The feature being checked. See add_theme_support() for the list |
| 3097 | * of possible values. |