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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 |
|---|---|
| 652 | } |
| 653 | |
| 654 | /** |
| 655 | * Filter the number of locations listed per menu in the drop-down select. |
| 656 | * |
| 657 | * @since 3.6.0 |
| 658 | * |
| 659 | * @param int $locations Number of menu locations to list. Default 3. |
| 660 | */ |
| 661 | $assigned_locations = array_slice( $locations_assigned_to_this_menu, 0, absint( apply_filters( 'wp_nav_locations_listed_per_menu', 3 ) ) ); |
| 662 | |
| 663 | // Adds ellipses following the number of locations defined in $assigned_locations. |
| 664 | if ( ! empty( $assigned_locations ) ) { |
| 665 | printf( ' (%1$s%2$s)', |
| 666 | implode( ', ', $assigned_locations ), |
| 667 | count( $locations_assigned_to_this_menu ) > count( $assigned_locations ) ? ' …' : '' |
| 668 | ); |
| 669 | } |
| 670 | } |