<?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:----MTU2NzIzNjY2Nzg0NjY3NiA3MzU4ODA4MTQzMjE2NzU2IDE3ODExNjQyMzk2NzIxNTA=