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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 |
|---|---|
| 105 | * Filters the URL for the sitemap index stylesheet. |
| 106 | * |
| 107 | * If a falsey value is returned, no stylesheet will be used and |
| 108 | * the "raw" XML of the sitemap index will be displayed. |
| 109 | * |
| 110 | * @since 5.5.0 |
| 111 | * |
| 112 | * @param string $sitemap_url Full URL for the sitemaps index XSL file. |
| 113 | */ |
| 114 | return apply_filters( 'wp_sitemaps_stylesheet_index_url', $sitemap_url ); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Renders a sitemap index. |
| 119 | * |
| 120 | * @since 5.5.0 |
| 121 | * |
| 122 | * @param array $sitemaps Array of sitemap URLs. |
| 123 | */ |