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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 |
|---|---|
| 3880 | delete_site_option( $transient_option ); |
| 3881 | delete_site_option( $transient_timeout ); |
| 3882 | return false; |
| 3883 | } |
| 3884 | } |
| 3885 | |
| 3886 | $value = get_site_option( $transient_option ); |
| 3887 | } |
| 3888 | |
| 3889 | return apply_filters( 'site_transient_' . $transient, $value ); |
| 3890 | } |
| 3891 | |
| 3892 | /** |
| 3893 | * Set/update the value of a site transient |
| 3894 | * |
| 3895 | * You do not need to serialize values, if the value needs to be serialize, then |
| 3896 | * it will be serialized before it is set. |
| 3897 | * |
| 3898 | * @see set_transient() |