Functions to Fetch Custom Field Values

Are you looking for a way to fetch custom field values from your custom post types? There can multiple ways to format the data in custom fields, we have created a quick code snippet that you can use to fetch custom field values in WordPress.

Instructions:

All you have to do is add this code to your theme’s functions.php file or in a site-specific plugin:

/* Functions for processing custom fields */
function get_custom_field($field, $format = '', $date_format = 'F j, Y')
{
        $fetch = $field;
        $fetch = get_post_custom_values($field);
        $fetch = $fetch[0];

        // Date
        if ($format == 'date' & $fetch !='') $fetch = format_date($fetch, $date_format);

        // Text Block
        elseif ($format == 'text_block') $fetch = wpautop($fetch);

        // HTML
        elseif ($format == 'html') $fetch = html_entity_decode($fetch);

        // Google Map
        elseif ($format == 'google_map') $fetch = display_google_map($fetch);

        return $fetch;
}

function custom_field($field, $format = '', $date_format = 'F j, Y')
{
        echo get_custom_field($field, $format, $date_format);
}

function format_date($date, $date_format)
{
        $date = date($date_format, $date);
        return $date;
}

function display_google_map($code)
{
        $code = html_entity_decode($code);
        // Remove the info bubble. Usually desirable, but use the html format if unwanted.
        $code = str_replace("output=embed", "output=embed&iwloc=near", $code);
        return $code;
}

Usage:

custom_field('field name', 'format', 'date format');

Also available:

get_custom_field($args);

Field = required
Format = optional
Date Format = optional

Note: If this is your first time adding code snippets in WordPress, then please refer to our guide on how to properly copy / paste code snippets in WordPress, so you don’t accidentally break your site.

If you liked this code snippet, please consider checking out our other articles on the site like: 7 best VPN services for WordPress users and how to easily create a multilingual WordPress website.