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62 lines
1.4 KiB
PHP
62 lines
1.4 KiB
PHP
<?php
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// The following code was taken from of PSL.
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//
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// https://github.com/azjezz/psl/blob/657ce9888be47cee49418989420b83661f7cf1c4/src/Psl/Internal/box.php
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//
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// Code subject to the MIT license (https://github.com/azjezz/psl/blob/657ce9888be47cee49418989420b83661f7cf1c4/LICENSE).
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//
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// Copyright (c) 2019-2022 Saif Eddin Gmati <azjezz@protonmail.com>
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declare(strict_types=1);
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namespace Psl\Internal;
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use Closure;
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use Psl\Str;
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use function restore_error_handler;
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use function set_error_handler;
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/**
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* @template T
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*
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* @param (Closure(): T) $fun
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*
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* @return array{0: T, 1: ?string}
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*
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* @internal
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*
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* @psalm-suppress MissingThrowsDocblock
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*/
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function box(Closure $fun): array
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{
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$last_message = null;
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/** @psalm-suppress InvalidArgument */
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set_error_handler(static function (int $_type, string $message) use (&$last_message) {
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$last_message = $message;
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});
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/**
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* @var string|null $last_message
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*/
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if (null !== $last_message && Str\contains($last_message, '): ')) {
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$last_message = Str\after(
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Str\lowercase($last_message),
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// how i feel toward PHP error handling:
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'): '
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);
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}
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try {
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$value = $fun();
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/** @var array{0: T, 1: ?string} $result */
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$result = [$value, $last_message];
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return $result;
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} finally {
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restore_error_handler();
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}
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}
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