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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 |
|---|---|
| 1258 | * |
| 1259 | * The dynamic portion of the hook name, `$option`, refers to the option name. |
| 1260 | * |
| 1261 | * @since 2.9.0 As "add_site_option_{$key}" |
| 1262 | * @since 3.0.0 |
| 1263 | * |
| 1264 | * @param string $option Name of the network option. |
| 1265 | * @param mixed $value Value of the network option. |
| 1266 | */ |
| 1267 | do_action( 'add_site_option_' . $option, $option, $value ); |
| 1268 | |
| 1269 | /** |
| 1270 | * Fires after a network option has been successfully added. |
| 1271 | * |
| 1272 | * @since 3.0.0 |
| 1273 | * |
| 1274 | * @param string $option Name of the network option. |
| 1275 | * @param mixed $value Value of the network option. |
| 1276 | */ |