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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 |
|---|---|
| 2447 | /** |
| 2448 | * Filters the page number link for the current request. |
| 2449 | * |
| 2450 | * @since 2.5.0 |
| 2451 | * @since 5.2.0 Added the `$pagenum` argument. |
| 2452 | * |
| 2453 | * @param string $result The page number link. |
| 2454 | * @param int $pagenum The page number. |
| 2455 | */ |
| 2456 | $result = apply_filters( 'get_pagenum_link', $result, $pagenum ); |
| 2457 | |
| 2458 | if ( $escape ) { |
| 2459 | return esc_url( $result ); |
| 2460 | } else { |
| 2461 | return sanitize_url( $result ); |
| 2462 | } |
| 2463 | } |
| 2464 | |
| 2465 | /** |