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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 |
|---|---|
| 2540 | |
| 2541 | if ( ! is_single() && ( $next_page <= $max_page ) ) { |
| 2542 | /** |
| 2543 | * Filters the anchor tag attributes for the next posts page link. |
| 2544 | * |
| 2545 | * @since 2.7.0 |
| 2546 | * |
| 2547 | * @param string $attributes Attributes for the anchor tag. |
| 2548 | */ |
| 2549 | $attr = apply_filters( 'next_posts_link_attributes', '' ); |
| 2550 | |
| 2551 | return sprintf( |
| 2552 | '<a href="%1$s" %2$s>%3$s</a>', |
| 2553 | next_posts( $max_page, false ), |
| 2554 | $attr, |
| 2555 | preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label ) |
| 2556 | ); |
| 2557 | } |
| 2558 | } |