Wordpress excerpt (teaser) snippets

Teaser

/* Replace the_content() more text with a template part
------------------------------------------------------------------------------------*/
add_filter( 'the_content_more_link', 'my_the_content_more_link', 10, 2 );
function my_the_content_more_link( $more_link, $more_link_text ) {
  return load_template_part('general', 'specific'); // loads general-specific.php, uses custom function load_template_part
}
// Get template partial as variable
function load_template_part($template_name, $part_name=null) {
  ob_start();
  get_template_part($template_name, $part_name);
  $var = ob_get_contents();
  ob_end_clean();
  return $var;
}