Viewing file:  ErrorHandler.php (2.32 KB) -rw-r--r--
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<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Util;
use Composer\IO\IOInterface;
/**
* Convert PHP errors into exceptions
*
* @author Artem Lopata <biozshock@gmail.com>
*/
class ErrorHandler
{
private static $io;
/**
* Error handler
*
* @param int $level Level of the error raised
* @param string $message Error message
* @param string $file Filename that the error was raised in
* @param int $line Line number the error was raised at
*
* @static
* @throws \ErrorException
* @return bool
*/
public static function handle($level, $message, $file, $line)
{
// error code is not included in error_reporting
if (!(error_reporting() & $level)) {
return;
}
if (filter_var(ini_get('xdebug.scream'), FILTER_VALIDATE_BOOLEAN)) {
$message .= "\n\nWarning: You have xdebug.scream enabled, the warning above may be".
"\na legitimately suppressed error that you were not supposed to see.";
}
if ($level !== E_DEPRECATED && $level !== E_USER_DEPRECATED) {
throw new \ErrorException($message, 0, $level, $file, $line);
}
if (self::$io) {
self::$io->writeError('<warning>Deprecation Notice: '.$message.' in '.$file.':'.$line.'</warning>');
if (self::$io->isVerbose()) {
self::$io->writeError('<warning>Stack trace:</warning>');
self::$io->writeError(array_filter(array_map(function ($a) {
if (isset($a['line'], $a['file'])) {
return '<warning> '.$a['file'].':'.$a['line'].'</warning>';
}
return null;
}, array_slice(debug_backtrace(), 2))));
}
}
return true;
}
/**
* Register error handler.
*
* @param IOInterface|null $io
*/
public static function register(IOInterface $io = null)
{
set_error_handler(array(__CLASS__, 'handle'));
error_reporting(E_ALL | E_STRICT);
self::$io = $io;
}
}
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