function ErrorHandler::handle

Error handler

@static

Parameters

int $level Level of the error raised:

string $message Error message:

string $file Filename that the error was raised in:

int $line Line number the error was raised at:

Throws

\ErrorException

File

vendor/composer/composer/src/Composer/Util/ErrorHandler.php, line 38

Class

ErrorHandler

Convert PHP errors into exceptions

Namespace

Composer\Util

Code

public static function handle(int $level, string $message, string $file, int $line) : bool {
    $isDeprecationNotice = $level === E_DEPRECATED || $level === E_USER_DEPRECATED;
    // error code is not included in error_reporting
    if (!$isDeprecationNotice && 0 === (error_reporting() & $level)) {
        return true;
    }
    if (filter_var(ini_get('xdebug.scream'), FILTER_VALIDATE_BOOLEAN)) {
        $message .= "\n\nWarning: You have xdebug.scream enabled, the warning above may be" . "\na legitimately suppressed error that you were not supposed to see.";
    }
    if (!$isDeprecationNotice) {
        throw new \ErrorException($message, 0, $level, $file, $line);
    }
    if (self::$io !== null) {
        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(static function ($a) : ?string {
                if (isset($a['line'], $a['file'])) {
                    return '<warning> ' . $a['file'] . ':' . $a['line'] . '</warning>';
                }
                return null;
            }, array_slice(debug_backtrace(), 2)), function (?string $line) {
                return $line !== null;
            }));
        }
    }
    return true;
}