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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 |
|---|---|
| 1239 | /** |
| 1240 | * Fires after the value of a site option has been successfully updated. |
| 1241 | * |
| 1242 | * @since 3.0.0 |
| 1243 | * |
| 1244 | * @param string $option Name of site option. |
| 1245 | * @param mixed $value Current value of site option. |
| 1246 | * @param mixed $old_value Old value of site option. |
| 1247 | */ |
| 1248 | do_action( "update_site_option", $option, $value, $old_value ); |
| 1249 | |
| 1250 | return true; |
| 1251 | } |
| 1252 | return false; |
| 1253 | } |
| 1254 | |
| 1255 | /** |
| 1256 | * Delete a site transient. |
| 1257 | * |