<?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:----MTg4MzY3MTU5OTcyMDgwMCA2MjU4MTMzNjkzODQ3NDk2IDkxODYzMjY2Njk4NDg0MTE=