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Rename coupon field in WooCommerce cart
// rename the coupon field on the cart page
function woocommerce_rename_coupon_field_on_cart( $translated_text, $text, $text_domain ) {
// bail if not modifying frontend woocommerce text
if ( is_admin() || 'woocommerce' !== $text_domain ) {
return $translated_text;
}
if ( 'Apply Coupon' === $text ) {
$translated_text = 'Apply Promo Code';
} elseif ( 'Coupon code' === $text ) {
$translated_text = 'Promo Code';
}
return $translated_text;
}
add_filter( 'gettext', 'woocommerce_rename_coupon_field_on_cart', 10, 3 );
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