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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 |
---|---|
1977 | * |
1978 | * The dynamic portion of the hook name, `$transient`, refers to the transient name. |
1979 | * |
1980 | * @since 2.9.0 |
1981 | * @since 4.4.0 The `$transient` parameter was added. |
1982 | * |
1983 | * @param mixed $value Value of site transient. |
1984 | * @param string $transient Transient name. |
1985 | */ |
1986 | return apply_filters( "site_transient_{$transient}", $value, $transient ); |
1987 | } |
1988 |
|
1989 | /** |
1990 | * Sets/updates the value of a site transient. |
1991 | * |
1992 | * You do not need to serialize values. If the value needs to be serialized, |
1993 | * then it will be serialized before it is set. |
1994 | * |
1995 | * @since 2.9.0 |