/home/smartbloks/.trash/docly-core/shortcodes/reference.php
<?php
add_shortcode( 'reference', function( $atts, $content ) {
ob_start();
$atts = shortcode_atts( array(
'number' => '1',
), $atts );
wp_enqueue_script('tooltipster');
?>
<a href="#note-name-<?php echo esc_attr($atts['number']) ?>" id="note-link-<?php echo esc_attr($atts['number']) ?>" class="footnotes-link tooltips" data-tooltip-content="#note-content-<?php echo esc_attr($atts['number']) ?>">[<?php echo $atts['number'] ?>]</a>
<?php
$html = ob_get_clean();
return $html;
});