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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 |
---|---|
4469 | * |
4470 | * "Pages" are determined by splitting the post content based on the presence |
4471 | * of `<!-- nextpage -->` tags. |
4472 | * |
4473 | * @since 4.4.0 |
4474 | * |
4475 | * @param string[] $pages Array of "pages" from the post content split by `<!-- nextpage -->` tags. |
4476 | * @param WP_Post $post Current post object. |
4477 | */ |
4478 | $pages = apply_filters( 'content_pagination', $pages, $post ); |
4479 |
|
4480 | $numpages = count( $pages ); |
4481 |
|
4482 | if ( $numpages > 1 ) { |
4483 | if ( $page > 1 ) { |
4484 | $more = 1; |
4485 | } |
4486 | $multipage = 1; |
4487 | } else { |