[Read more link for excerpts] Accessible and translatable "read more" link #wordpress #theme

template-functions.php

<?php
/**
 * Makes the excerpt "read more" a link to the full post
 */
// Case for automatically generated excerpts
function jmb_sample_theme_excerpt_more( $more ) {
	global $post;
	$permalink = get_permalink($post->ID);
	$title = get_the_title();
	$excerpt_more = jmb_sample_theme_get_read_more_link( $permalink, $title );
	return $excerpt_more;
}
add_filter( 'excerpt_more', 'jmb_sample_theme_excerpt_more' );

// Case for hand-crafted excerpts
function jmb_sample_theme_manual_excerpt_more( $excerpt ) {
	$excerpt_more = '';
	if ( has_excerpt() && !is_attachment() && get_post_type() == 'post' ) {
		$permalink = get_permalink();
		$title = get_the_title();
		$excerpt_more = jmb_sample_theme_get_read_more_link( $permalink, $title );
	}
	return $excerpt . $excerpt_more;
}
add_filter( 'get_the_excerpt', 'jmb_sample_theme_manual_excerpt_more' );

template-tags.php

<?php
if ( ! function_exists( 'jmb_sample_theme_get_read_more_link' ) ) :
	/**
	 * Helper function to generate read more link for excerpts
	 *
	 * Makes the excerpt "read more" a link and includes screen reader text
	 * 'Continue reading: ' is a translatable string
	 */
    //
    function jmb_sample_theme_get_read_more_link( $permalink, $title ) {
        $excerpt_more = '';
        $excerpt_more .= '&nbsp;<a class="excerpt-more" href="' . $permalink . '">[&hellip;]';
        $excerpt_more .= sprintf(
            wp_kses(
            /* translators: %s: Name of current post. Only visible to screen readers */
                __( '<span class="screen-reader-text">Continue reading: "%s"</span>', 'jmb-sample-theme' ),
                array(
                    'span' => array(
                        'class' => array(),
                    ),
                )
            ),
            $title
        );
        $excerpt_more .= '</a>';
        return $excerpt_more;
    }
endif;