functions.php

<?php

/* Add the child theme setup function to the 'after_setup_theme' hook. */
add_action( 'after_setup_theme', 'prototype_child_theme_setup', 11 );

/**
 * Setup function.  All child themes should run their setup within this function.  The idea is to add/remove
 * filters and actions after the parent theme has been set up.  This function provides you that opportunity.
 *
 * @since 0.1.0
 */
function prototype_child_theme_setup() {

    /* Get the theme prefix ("prototype"). */
    $prefix = hybrid_get_prefix();

    /* Example action. */
    // add_action( "{$prefix}_header", 'prototype_child_example_action' );

    /* Example filter. */
    // add_filter( "{$prefix}_site_title", 'prototype_child_example_filter' );

    add_filter( 'the_content_more_link', 'remove_more_link_scroll' );

    //removing and improving the excerpt
    remove_filter('get_the_excerpt', 'wp_trim_excerpt');
    add_filter('get_the_excerpt', 'improved_trim_excerpt');

    //allow shortcodes in text widgets
    add_filter('widget_text', 'do_shortcode');

    add_action ( 'gettext', 'my_em_text_rewrites', 1, 3 );

    add_shortcode('location_group', 'em_location_by_region');
}



function remove_more_link_scroll( $link ) {
    $link = preg_replace( '|#more-[0-9]+|', '', $link );
    return $link;
}


/*improve the excerpt, keep HTML in there*/
function improved_trim_excerpt($text) {
global $post;
if ( '' == $text ) {
$text = get_the_content('');
$text = apply_filters('the_content', $text);
$text = str_replace(']]>', ']]&gt;', $text);
/*uncomment to strip javascript*/
$text = preg_replace('@<script[^>]*?>.*?</script>@si', '', $text);
$text = strip_tags($text, '<p><a><img><ul><ol><li>[php][css][text][perl][shell]');
$excerpt_length = 500;
$words = explode(' ', $text, $excerpt_length + 1);
if (count($words)> $excerpt_length) {
array_pop($words);
array_push($words, '[...]');
$text = implode(' ', $words);
}
}
return $text;
}


function my_em_text_rewrites($translation, $orig, $domain) {
    str_replace('Send your booking','Anmelden', $translation);
    return $translation;
}

function em_location_by_region(){
 $args = array();
 $arr_location = EM_Locations::get($args);

 foreach( $arr_location as $EM_Location ){
   if ( !empty($EM_Location->location_name) ){
     echo "<h2>".$EM_Location->location_name."</h2>";
     echo do_shortcode('[events_list_grouped mode="monthly" location="'.$EM_Location->location_id.'"]');
     echo "<br/>---------------------------------------------------------------------------------------------------<br/>";
   }
 }
}

?>