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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 |
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765 | $params = wp_parse_args( $args, $defaults ); |
766 |
|
767 | /** |
768 | * Filter the arguments used in retrieving page links for paginated posts. |
769 | * |
770 | * @since 3.0.0 |
771 | * |
772 | * @param array $params An array of arguments for page links for paginated posts. |
773 | */ |
774 | $r = apply_filters( 'wp_link_pages_args', $params ); |
775 |
|
776 | global $page, $numpages, $multipage, $more; |
777 |
|
778 | $output = ''; |
779 | if ( $multipage ) { |
780 | if ( 'number' == $r['next_or_number'] ) { |
781 | $output .= $r['before']; |
782 | for ( $i = 1; $i <= $numpages; $i++ ) { |
783 | $link = $r['link_before'] . str_replace( '%', $i, $r['pagelink'] ) . $r['link_after']; |