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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 |
|---|---|
| 1398 | $filtered_url = remove_query_arg( $removable_query_args, $current_url ); |
| 1399 | |
| 1400 | /** |
| 1401 | * Filters the admin canonical URL value. |
| 1402 | * |
| 1403 | * @since 6.5.0 |
| 1404 | * |
| 1405 | * @param string $filtered_url The admin canonical URL value. |
| 1406 | */ |
| 1407 | $filtered_url = apply_filters( 'wp_admin_canonical_url', $filtered_url ); |
| 1408 | ?> |
| 1409 | <link id="wp-admin-canonical" rel="canonical" href="<?php echo esc_url( $filtered_url ); ?>" /> |
| 1410 | <script> |
| 1411 | if ( window.history.replaceState ) { |
| 1412 | window.history.replaceState( null, null, document.getElementById( 'wp-admin-canonical' ).href + window.location.hash ); |
| 1413 | } |
| 1414 | </script> |
| 1415 | <?php |
| 1416 | } |