vishalck

<?php
if ( ! defined( 'ABSPATH' ) ) {
        exit;
}
?>

<div class="woocommerce-order">

        <?php if ( $order ) : ?>

vishalck

<p><?php _e( 'There was a problem processing your order. Your transaction has been declined.', 'woocommerce' ); ?></p>

<p>
<?php
_e( 'Please attempt your purchase again.', 'woocommerce' );
?>
</p>

<p>
    <a href="<?php echo esc_url( $order->get_checkout_payment_url() ); ?>" class="button pay"><?php _e( 'Try Again', 'woocommerce' ) ?></a>

vishalck

<?php

add_filter('woocommerce_thankyou_order_received_text', 'woo_change_order_received_text', 10, 2 );
function woo_change_order_received_text( $str, $order ) {
    $new_str = 'We have emailed the purchase receipt to you. Please make sure to fill <a href="http://localhost:8888/some-form.pdf">this form</a> before attending the event';
    return $new_str;
}

vishalck

<?php

add_filter('woocommerce_thankyou_order_received_text', 'woo_change_order_received_text', 10, 2 );
function woo_change_order_received_text( $str, $order ) {
    $new_str = $str . ' We have emailed the purchase receipt to you.';
    return $new_str;
}

vishalck

<?php

add_filter( 'the_title', 'woo_personalize_order_received_title', 10, 2 );
function woo_personalize_order_received_title( $title, $id ) {
    if ( is_order_received_page() && get_the_ID() === $id ) {
	    global $wp;

        // Get the order. Line 9 to 17 are present in order_received() in includes/shortcodes/class-wc-shortcode-checkout.php file
        $order_id  = apply_filters( 'woocommerce_thankyou_order_id', absint( $wp->query_vars['order-received'] ) );
        $order_key = apply_filters( 'woocommerce_thankyou_order_key', empty( $_GET['key'] ) ? '' : wc_clean( $_GET['key'] ) );

vishalck

<?php

add_filter( 'the_title', 'woo_title_order_received', 10, 2 );

function woo_title_order_received( $title, $id ) {
	if ( function_exists( 'is_order_received_page' ) && 
	     is_order_received_page() && get_the_ID() === $id ) {
		$title = "Thank you for your order! :)";
	}
	return $title;

vishalck

<?php 

add_action( 'template_redirect', 'woo_custom_redirect_after_purchase' );
function woo_custom_redirect_after_purchase() {
	global $wp;
	if ( is_checkout() && !empty( $wp->query_vars['order-received'] ) ) {
		wp_redirect( 'http://localhost:8888/woocommerce/custom-thank-you/' );
		exit;
	}
}