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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 |
---|---|
917 | * |
918 | * The dynamic portion of the hook name, `$transient`, refers to the transient name. |
919 | * |
920 | * @since 2.8.0 |
921 | * @since 4.4.0 The `$transient` parameter was added |
922 | * |
923 | * @param mixed $value Value of transient. |
924 | * @param string $transient Transient name. |
925 | */ |
926 | return apply_filters( "transient_{$transient}", $value, $transient ); |
927 | } |
928 |
|
929 | /** |
930 | * Sets/updates the value of a transient. |
931 | * |
932 | * You do not need to serialize values. If the value needs to be serialized, |
933 | * then it will be serialized before it is set. |
934 | * |
935 | * @since 2.8.0 |