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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 |
---|---|
476 | * @access protected |
477 | * |
478 | * @return int |
479 | */ |
480 | function get_items_per_page( $option, $default = 20 ) { |
481 | $per_page = (int) get_user_option( $option ); |
482 | if ( empty( $per_page ) || $per_page < 1 ) |
483 | $per_page = $default; |
484 |
|
485 | return (int) apply_filters( $option, $per_page ); |
486 | } |
487 |
|
488 | /** |
489 | * Display the pagination. |
490 | * |
491 | * @since 3.1.0 |
492 | * @access protected |
493 | */ |
494 | function pagination( $which ) { |