<?php
/**
* Whoops - php errors for cool kids
* @author Filipe Dobreira <http://github.com/filp>
*/
namespace Whoops\Util;
class Misc
{
/**
* Can we at this point in time send HTTP headers?
*
* Currently this checks if we are even serving an HTTP request,
* as opposed to running from a command line.
*
* If we are serving an HTTP request, we check if it's not too late.
*
* @return bool
*/
public static function canSendHeaders()
{
return isset($_SERVER["REQUEST_URI"]) && !headers_sent();
}
public static function isAjaxRequest()
{
return (
!empty($_SERVER['HTTP_X_REQUESTED_WITH'])
&& strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
}
/**
* Check, if possible, that this execution was triggered by a command line.
* @return bool
*/
public static function isCommandLine()
{
return PHP_SAPI == 'cli';
}
/**
* Translate ErrorException code into the represented constant.
*
* @param int $error_code
* @return string
*/
public static function translateErrorCode($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";
}
/**
* Determine if an error level is fatal (halts execution)
*
* @param int $level
* @return bool
*/
public static function isLevelFatal($level)
{
$errors = E_ERROR;
$errors |= E_PARSE;
$errors |= E_CORE_ERROR;
$errors |= E_CORE_WARNING;
$errors |= E_COMPILE_ERROR;
$errors |= E_COMPILE_WARNING;
return ($level & $errors) > 0;
}
}