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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 |
---|---|
1586 | * Fires after a network option has been successfully added. |
1587 | * |
1588 | * @since 3.0.0 |
1589 | * @since 4.7.0 The `$network_id` parameter was added. |
1590 | * |
1591 | * @param string $option Name of the network option. |
1592 | * @param mixed $value Value of the network option. |
1593 | * @param int $network_id ID of the network. |
1594 | */ |
1595 | do_action( 'add_site_option', $option, $value, $network_id ); |
1596 |
|
1597 | return true; |
1598 | } |
1599 |
|
1600 | return false; |
1601 | } |
1602 |
|
1603 | /** |
1604 | * Removes a network option by name. |