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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 |
---|---|
1375 | * The dynamic portion of the hook name, `$option`, refers to the option name. |
1376 | * |
1377 | * @since 2.9.0 As "delete_site_option_{$key}" |
1378 | * @since 3.0.0 |
1379 | * @since 4.7.0 The `$network_id` parameter was added. |
1380 | * |
1381 | * @param string $option Name of the network option. |
1382 | * @param int $network_id ID of the network. |
1383 | */ |
1384 | do_action( "delete_site_option_{$option}", $option, $network_id ); |
1385 |
|
1386 | /** |
1387 | * Fires after a network option has been deleted. |
1388 | * |
1389 | * @since 3.0.0 |
1390 | * @since 4.7.0 The `$network_id` parameter was added. |
1391 | * |
1392 | * @param string $option Name of the network option. |
1393 | * @param int $network_id ID of the network. |