Misc.php

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<?php
namespace Whoops\Util;

class Misc
{
    public static function canSendHeaders()
    {
        return isset($_SERVER["REQUEST_URI"]) && !headers_sent();
    }

    public static function translateErrorCode($error_code)
    {
        $constants = get_defined_constants(true);
        if (array_key_exists('Core' , $constants)) {
            foreach ($constants['Core'] as $constant => $value) {
                if (substr($constant, 0, 2) == 'E_' && $value == $error_code) {
                    return $constant;
                }
            }
        }
        return "E_UNKNOWN";
    }
}