Astra Blog/Page Title Tags

add_action( 'wp', 'astra_add_title_filter' );

/**
* Function to add filters to change titles.
*
* @return void
*/
function astra_add_title_filter() {
    add_filter( 'astra_the_title_before', 'astra_the_title_before_tag', 1, 10 );
    add_filter( 'astra_the_title_after', 'astra_the_title_after_tag', 1, 10 );
}

/**
* Function to change tag in all titles.
*
* @param string $tag This contains default tag used for the titles.
* @return string
*/
function astra_the_title_before_tag( $tag ) {
    $tag = '<h1>';
    return $tag;
}

/**
* Function to change tag in all titles.
*
* @param string $tag This contains default tag used for the titles.
* @return string
*/
function astra_the_title_after_tag( $tag ) {
    $tag = '</h1>';
    return $tag;
}