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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" )
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.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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2202 | * |
2203 | * @since 3.0.0 |
2204 | * @since 4.7.0 The `$network_id` parameter was added. |
2205 | * |
2206 | * @param string $option Name of the network option. |
2207 | * @param mixed $value Current value of the network option. |
2208 | * @param mixed $old_value Old value of the network option. |
2209 | * @param int $network_id ID of the network. |
2210 | */ |
2211 | do_action( 'update_site_option', $option, $value, $old_value, $network_id ); |
2212 |
|
2213 | return true; |
2214 | } |
2215 |
|
2216 | return false; |
2217 | } |
2218 |
|
2219 | /** |
2220 | * Deletes a site transient. |