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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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992 | $exclude_array = ( $r['exclude'] ) ? explode(',', $r['exclude']) : array(); |
993 |
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994 | /** |
995 | * Filter the array of pages to exclude from the pages list. |
996 | * |
997 | * @since 2.1.0 |
998 | * |
999 | * @param array $exclude_array An array of page IDs to exclude. |
1000 | */ |
1001 | $r['exclude'] = implode( ',', apply_filters( 'wp_list_pages_excludes', $exclude_array ) ); |
1002 |
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1003 | // Query pages. |
1004 | $r['hierarchical'] = 0; |
1005 | $pages = get_pages($r); |
1006 |
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1007 | if ( !empty($pages) ) { |
1008 | if ( $r['title_li'] ) |
1009 | $output .= '<li class="pagenav">' . $r['title_li'] . '<ul>'; |
1010 |
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