<?php

namespace Composer\Util;

/**
 * Temporarily suppress PHP error reporting, usually warnings and below.
 *
 * @author Niels Keurentjes <niels.keurentjes@omines.com>
 */
class Silencer
{
    /** @var int[] Unpop stack */
    private static $stack = [];

    /**
     * Suppresses given mask or errors.
     *
     * @param  int|null $mask Error levels to suppress, default value NULL indicates all warnings and below.
     * @return int      The old error reporting level.
     */
    public static function suppress(?int $mask = null): int
    {
        if (!isset($mask)) {
            $mask = E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE | E_DEPRECATED | E_USER_DEPRECATED | E_STRICT;
        }
        $old = error_reporting();
        self::$stack[] = $old;
        error_reporting($old & ~$mask);

        return $old;
    }

    /**
     * Restores a single state.
     */
    public static function restore(): void
    {
        if (!empty(self::$stack)) {
            error_reporting(array_pop(self::$stack));
        }
    }

    /**
     * Calls a specified function while silencing warnings and below.
     *
     * @param  callable   $callable Function to execute.
     * @param  mixed      $parameters Function to execute.
     * @throws \Exception Any exceptions from the callback are rethrown.
     * @return mixed      Return value of the callback.
     */
    public static function call(callable $callable, ...$parameters)
    {
        try {
            self::suppress();
            $result = $callable(...$parameters);
            self::restore();

            return $result;
        } catch (\Exception $e) {
            // Use a finally block for this when requirements are raised to PHP 5.5
            self::restore();
            throw $e;
        }
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NTY5OTc5MDMxNjkyNzg1OCA5MTIyNTk3MTY4MTEwNDU4IDYyMTA5NDI1ODk5NjMwMTU=