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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 |
|---|---|
| 2399 | /** |
| 2400 | * Filters the page number link for the current request. |
| 2401 | * |
| 2402 | * @since 2.5.0 |
| 2403 | * @since 5.2.0 Added the `$pagenum` argument. |
| 2404 | * |
| 2405 | * @param string $result The page number link. |
| 2406 | * @param int $pagenum The page number. |
| 2407 | */ |
| 2408 | $result = apply_filters( 'get_pagenum_link', $result, $pagenum ); |
| 2409 | |
| 2410 | if ( $escape ) { |
| 2411 | return esc_url( $result ); |
| 2412 | } else { |
| 2413 | return esc_url_raw( $result ); |
| 2414 | } |
| 2415 | } |
| 2416 | |
| 2417 | /** |