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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 |
---|---|
2299 | * The dynamic portion of the hook name, `$option`, refers to the option name. |
2300 | * |
2301 | * @since 2.9.0 As "delete_site_option_{$key}" |
2302 | * @since 3.0.0 |
2303 | * @since 4.7.0 The `$network_id` parameter was added. |
2304 | * |
2305 | * @param string $option Name of the network option. |
2306 | * @param int $network_id ID of the network. |
2307 | */ |
2308 | do_action( "delete_site_option_{$option}", $option, $network_id ); |
2309 |
|
2310 | /** |
2311 | * Fires after a network option has been deleted. |
2312 | * |
2313 | * @since 3.0.0 |
2314 | * @since 4.7.0 The `$network_id` parameter was added. |
2315 | * |
2316 | * @param string $option Name of the network option. |
2317 | * @param int $network_id ID of the network. |