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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 |
|---|---|
| 927 | |
| 928 | // Multisite super admin has all caps by definition, Unless specifically denied. |
| 929 | if ( is_multisite() && is_super_admin( $this->ID ) ) { |
| 930 | if ( in_array('do_not_allow', $caps) ) |
| 931 | return false; |
| 932 | return true; |
| 933 | } |
| 934 | |
| 935 | // Must have ALL requested caps |
| 936 | $capabilities = apply_filters( 'user_has_cap', $this->allcaps, $caps, $args ); |
| 937 | $capabilities['exist'] = true; // Everyone is allowed to exist |
| 938 | foreach ( (array) $caps as $cap ) { |
| 939 | if ( empty( $capabilities[ $cap ] ) ) |
| 940 | return false; |
| 941 | } |
| 942 | |
| 943 | return true; |
| 944 | } |
| 945 | |