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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 |
|---|---|
| 8153 | * Filters the URL to learn more about updating the HTTPS version the site is running on. |
| 8154 | * |
| 8155 | * Providing an empty string is not allowed and will result in the default URL being used. Furthermore |
| 8156 | * the page the URL links to should preferably be localized in the site language. |
| 8157 | * |
| 8158 | * @since 5.7.0 |
| 8159 | * |
| 8160 | * @param string $update_url URL to learn more about updating HTTPS. |
| 8161 | */ |
| 8162 | $update_url = apply_filters( 'wp_update_https_url', $update_url ); |
| 8163 | if ( empty( $update_url ) ) { |
| 8164 | $update_url = $default_url; |
| 8165 | } |
| 8166 | |
| 8167 | return $update_url; |
| 8168 | } |
| 8169 | |
| 8170 | /** |
| 8171 | * Gets the default URL to learn more about updating the site to use HTTPS. |