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<?php /* * This file is part of Composer. * * (c) Nils Adermann <[email protected]> * Jordi Boggiano <[email protected]> * * 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 <[email protected]> */ 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 true; } 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; } }