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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 |
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617 | * Filters a user's capabilities depending on specific context and/or privilege. |
618 | * |
619 | * @since 2.8.0 |
620 | * |
621 | * @param string[] $caps Array of the user's capabilities. |
622 | * @param string $cap Capability name. |
623 | * @param int $user_id The user ID. |
624 | * @param array $args Adds the context to the cap. Typically the object ID. |
625 | */ |
626 | return apply_filters( 'map_meta_cap', $caps, $cap, $user_id, $args ); |
627 | } |
628 |
|
629 | /** |
630 | * Returns whether the current user has the specified capability. |
631 | * |
632 | * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta |
633 | * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to |
634 | * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`. |
635 | * |