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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 |
|---|---|
| 700 | */ |
| 701 | function has_cap( $cap ) { |
| 702 | if ( is_numeric( $cap ) ) |
| 703 | $cap = $this->translate_level_to_cap( $cap ); |
| 704 | |
| 705 | $args = array_slice( func_get_args(), 1 ); |
| 706 | $args = array_merge( array( $cap, $this->ID ), $args ); |
| 707 | $caps = call_user_func_array( 'map_meta_cap', $args ); |
| 708 | // Must have ALL requested caps |
| 709 | $capabilities = apply_filters( 'user_has_cap', $this->allcaps, $caps, $args ); |
| 710 | foreach ( (array) $caps as $cap ) { |
| 711 | //echo "Checking cap $cap<br />"; |
| 712 | if ( empty( $capabilities[$cap] ) || !$capabilities[$cap] ) |
| 713 | return false; |
| 714 | } |
| 715 | |
| 716 | return true; |
| 717 | } |
| 718 | |