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Bug #71008 NumberFormatter::parseCurrency() works incorrectly
Submitted: 2015-12-01 12:58 UTC Modified: 2021-06-14 17:11 UTC
Votes:1
Avg. Score:1.0 ± 0.0
Reproduced:0 of 1 (0.0%)
From: loco at andrews dot lv Assigned: cmb (profile)
Status: Not a bug Package: intl (PECL)
PHP Version: 5.6.16 OS: Linux 4.3.0-gentoo x86_64
Private report: No CVE-ID: None
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 [2015-12-01 12:58 UTC] loco at andrews dot lv 
Description:
------------
Different results are returned when running the test script and hitting browser refresh button:

--test 1--

Original number: 462.501

NumberFormatter::parseCurency() returns: 462.5 

--test 2--

Original number: 462.501

NumberFormatter::parseCurency() returns: 462

--test 3--

Original number: 462.501

NumberFormatter::parseCurency() returns: 462.5

--test 4--

Original number: 462.501

NumberFormatter::parseCurency() returns: 462

....

Internationalization support	enabled
version	                        1.1.0
ICU version	                55.1
ICU Data version	        55.1


Test script:
---------------
<?php

  // Run this script then refresh the page several times in the browser 
  // in order to get different results

  print "<pre>\n";

  $number = 462.501;
  print 'Original number: '.$number."\n\n";

  $formatter = new NumberFormatter('nl_BE', NumberFormatter::CURRENCY);
  $value = $formatter->format($number);

  print 'NumberFormatter::parseCurency() returns: '.$formatter->parseCurrency($value, $currency)."\n";

  print "</pre>\n";
?>

Expected result:
----------------
Original number: 462.501

NumberFormatter::parseCurency() returns: 462.5

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 [2018-02-19 21:48 UTC] flack at contentcontrol-berlin dot de 
I have seen this issue, too, on two Debian 8 servers (can only reproduce on one of them any longer). I run the following script:

$formatter = new NumberFormatter('de_DE', NumberFormatter::DECIMAL);
var_dump($formatter->parse('9,90'));

Sometimes it outputs float(9.9), sometimes it outputs float(9). What could possibly cause this?
 [2021-06-14 17:11 UTC] cmb@php.net
-Status: Open +Status: Not a bug -Assigned To: +Assigned To: cmb
 [2021-06-14 17:11 UTC] cmb@php.net 
Float to string conversion is locale sensitive prior to PHP 8.0.0,
and the locale is set per process.  That explains why that
sometimes worked, and sometimes failed.  See also
<https://3v4l.org/bNon1>.
 
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