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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 |
|---|---|
| 7542 | } |
| 7543 | |
| 7544 | /** |
| 7545 | * Filters the URL for directly updating the PHP version the site is running on from the host. |
| 7546 | * |
| 7547 | * @since 5.1.1 |
| 7548 | * |
| 7549 | * @param string $direct_update_url URL for directly updating PHP. |
| 7550 | */ |
| 7551 | $direct_update_url = apply_filters( 'wp_direct_php_update_url', $direct_update_url ); |
| 7552 | |
| 7553 | return $direct_update_url; |
| 7554 | } |
| 7555 | |
| 7556 | /** |
| 7557 | * Display a button directly linking to a PHP update process. |
| 7558 | * |
| 7559 | * This provides hosts with a way for users to be sent directly to their PHP update process. |
| 7560 | * |