Display PHP custom field within WordPress shortcode - php

Question

I'm using the echo do_shortcode function to include an events calendar within a WP template. I need to display a custom field within the shortcode area, but can't get it to work. Below is my code. I need the custom field "tickets" to show in the a href="#" section (replacing the #).
The post is a custom post type called "event".
<?php echo do_shortcode('[eo_events]
<div class="date">
<div class="month">%start{M}%</div>
<div class="day">%start{j}%</div>
</div>
<div class="venue">
<h2 style="margin-bottom:-40px!important; padding-bottom:0;">%event_venue%</h2>
<br/>%event_venue_address%<br/>%event_venue_country%, %event_venue_postcode%
</div>
<div class="city"><h2>%event_venue_city%</h2></div>
<div class="tickets">
<h2>Tickets</h2>
</div>
[/eo_events]');
?>

Answer 1

get the custom field first and save it in a variable. You can use the variable later in the string.
<?php
$url = get_post_meta($post_id, 'tickets', true);
echo do_shortcode('[eo_events]
<div class="date"><div class="month">%start{M}%</div> <div class="day">%start{j}%</div></div> <div class="venue"><h2 style="margin-bottom:-40px!important; padding-bottom:0;">%event_venue%</h2> < br/> %event_venue_address%<br/>%event_venue_country%, %event_venue_postcode%</div> <div class="city" ><h2 >%event_venue_city%</h2></div> <div class="tickets">
<h2>Tickets</h2>
</div>
[/eo_events]');
?>