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Regression in unpack for minimal int value #7899

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Regression in unpack for minimal int value#7899
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BugExtension: standardStatus: Verified

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@remicollet
remicollet
opened on Jan 7, 2022

Description

The following code:

<?php
var_dump($a=-2147483648, bin2hex($b=pack("i",  $a)), unpack("i", $b));

Resulted in this output:

  int(2147483648)

But I expected this output instead:

  int(-2147483648)

See https://3v4l.org/3pTU9 and efe79e0

PHP Version

8.1.2RC1

Operating System

irrevelant

Activity

  1. remicollet
    added
    Bug
    Status: Needs Triage
    Extension: standard
    on Jan 7, 2022
  2. cmb69
    added
    Status: Verified
    and removed
    Status: Needs Triage
    on Jan 7, 2022
  3. remicollet
    closed this as completedin 524ce90on Jan 13, 2022
  4. remicollet
    added 3 commits that reference this issue on Jan 13, 2022

    Merge branch 'PHP-8.1'

    d5b6c0d

    fix GH-7899 Regression in unpack for negative int value

    e31c54d

    Merge branch 'PHP-8.1'

    9406198
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