Create a WordPress Shortcode

<?php
 
function mumin_random_hadith_shortcode() {
    $api_key = 'sk_mumin_YOUR_KEY';
    $response = wp_remote_get('https://api.hadith.mumin.ink/v1/hadiths/random', array(
        'headers' => array(
            'Authorization' => 'Bearer ' . $api_key
        )
    ));
 
    if (is_wp_error($response)) {
        return 'Error fetching hadith.';
    }
 
    $body = wp_remote_retrieve_body($response);
    $data = json_decode($body);
    $hadith = $data->data;
 
    ob_start();
    ?>
    <div class="mumin-hadith">
        <blockquote>
            <?php echo esc_html($hadith->translation->text); ?>
        </blockquote>
        <cite>
            — <?php echo esc_html($hadith->collection->name); ?> #<?php echo esc_html($hadith->hadithNumber); ?>
        </cite>
    </div>
    <?php
    return ob_get_clean();
}
 
add_shortcode('random_hadith', 'mumin_random_hadith_shortcode');