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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 |
---|---|
1002 | delete_site_option( $transient_option ); |
1003 | delete_site_option( $transient_timeout ); |
1004 | return false; |
1005 | } |
1006 | } |
1007 |
|
1008 | $value = get_site_option( $transient_option ); |
1009 | } |
1010 |
|
1011 | return apply_filters( 'site_transient_' . $transient, $value ); |
1012 | } |
1013 |
|
1014 | /** |
1015 | * Set/update the value of a site transient. |
1016 | * |
1017 | * You do not need to serialize values, if the value needs to be serialize, then |
1018 | * it will be serialized before it is set. |
1019 | * |
1020 | * @see set_transient() |