wp-includes/link-template.php:2671Retrieves the previous posts page link.
$labelstringoptionalnullstring|nullOne hook fires while get_previous_posts_link() runs, in this order:
Filters the anchor tag attributes for the previous posts page link.
function get_previous_posts_link( $label = null ) { global $paged; if ( null === $label ) { $label = __( '« Previous Page' ); } if ( ! is_single() && $paged > 1 ) { /** * Filters the anchor tag attributes for the previous posts page link. * * @since 2.7.0 * * @param string $attributes Attributes for the anchor tag. */ $attr = apply_filters( 'previous_posts_link_attributes', '' ); return sprintf( '<a href="%1$s" %2$s>%3$s</a>', previous_posts( false ), $attr, preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label ) ); }}Introduced in 2.7.0. One change between 6.7.7 and 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
string|void to string|null.verified against sourcesrc/wp-includes/link-template.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.