<?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;
        }
        $old = error_reporting();
        self::$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:----NjY2NTk4ODM0MDIyNDY2MSA0MDk5MjYzNjc0NjM1OTc3IDIwMTU1ODgyODExMzA5NDI=