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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 |
---|---|
1278 | * |
1279 | * @since 2.9.0 As "add_site_option_{$key}" |
1280 | * @since 3.0.0 |
1281 | * @since 4.7.0 The `$network_id` parameter was added. |
1282 | * |
1283 | * @param string $option Name of the network option. |
1284 | * @param mixed $value Value of the network option. |
1285 | * @param int $network_id ID of the network. |
1286 | */ |
1287 | do_action( "add_site_option_{$option}", $option, $value, $network_id ); |
1288 |
|
1289 | /** |
1290 | * Fires after a network option has been successfully added. |
1291 | * |
1292 | * @since 3.0.0 |
1293 | * @since 4.7.0 The `$network_id` parameter was added. |
1294 | * |
1295 | * @param string $option Name of the network option. |
1296 | * @param mixed $value Value of the network option. |