Prevent BetterDocs Essential Blocks banner from showing by setting the dismiss transient

functions.php

<?php

/**
 * Prevent BetterDocs Essential Blocks banner from showing by setting the dismiss transient.
 */
add_action( 'init', function() {
    // Set the transient that BetterDocs checks to determine if banner should be hidden
    if ( ! get_transient( 'wpdeveloper_eb_banner_promo_hide' ) ) {
        set_transient( 'wpdeveloper_eb_banner_promo_hide', true, YEAR_IN_SECONDS );
    }
}, 1 );