WordPress Version: 5.5
/**
* Deprecated functionality to gracefully fail.
*
* @since MU (3.0.0)
* @deprecated 3.0.0 Use wp_die()
* @see wp_die()
*/
function graceful_fail($message)
{
_deprecated_function(__FUNCTION__, '3.0.0', 'wp_die()');
$message = apply_filters('graceful_fail', $message);
$message_template = apply_filters('graceful_fail_template', '<!DOCTYPE html>
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Error!</title>
<style type="text/css">
img {
border: 0;
}
body {
line-height: 1.6em; font-family: Georgia, serif; width: 390px; margin: auto;
text-align: center;
}
.message {
font-size: 22px;
width: 350px;
margin: auto;
}
</style>
</head>
<body>
<p class="message">%s</p>
</body>
</html>');
die(sprintf($message_template, $message));
}