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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 |
---|---|
1585 | * key value, |
1586 | * respectively. |
1587 | * |
1588 | * @since 3.3.0 |
1589 | * |
1590 | * @param mixed $meta_value Meta value to sanitize. |
1591 | * @param string $meta_key Meta key. |
1592 | * @param string $meta_type Meta type. |
1593 | */ |
1594 | return apply_filters( "sanitize_{$meta_type}_meta_{$meta_key}", $meta_value, $meta_key, $meta_type ); |
1595 | } |
1596 |
|
1597 | /** |
1598 | * Register meta key |
1599 | * |
1600 | * @since 3.3.0 |
1601 | * |
1602 | * @param string $meta_type Type of meta |
1603 | * @param string $meta_key Meta key |