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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 |
---|---|
985 | * @since 2.0.0 |
986 | * @since 3.7.0 Added the user object. |
987 | * |
988 | * @param array $allcaps An array of all the role's capabilities. |
989 | * @param array $caps Actual capabilities for meta capability. |
990 | * @param array $args Optional parameters passed to has_cap(), typically object ID. |
991 | * @param WP_User $user The user object. |
992 | */ |
993 | // Must have ALL requested caps |
994 | $capabilities = apply_filters( 'user_has_cap', $this->allcaps, $caps, $args, $this ); |
995 | $capabilities['exist'] = true; // Everyone is allowed to exist |
996 | foreach ( (array) $caps as $cap ) { |
997 | if ( empty( $capabilities[ $cap ] ) ) |
998 | return false; |
999 | } |
1000 |
|
1001 | return true; |
1002 | } |
1003 |
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