wp recent post shortcode template

<?php

// shortcode
add_shortcode( 'foobar', 'foobar_func' );
function foobar_func( $atts ){


// php only 
$recent_posts = wp_get_recent_posts(array(
        'numberposts' => 3,
'category' => 15,
        'post_status' => 'publish'

    ));

foreach( $recent_posts as $recent ){ 
  

  echo '<a href="'. get_permalink($recent["ID"]) . ' "> ' .  $recent[post_title] . '</a>' ;
echo ' | '. date( 'l F jS', strtotime( $recent['post_date'] ) );
echo '<hr/>'; 

}  wp_reset_query();

}
?>


[foobar]