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Bug #78122 preg_split returns false since PHP 7.3.5 instead of array
Submitted: 2019-06-06 15:19 UTC Modified: 2019-06-06 15:29 UTC
From: nicolas dot grekas+php at gmail dot com Assigned:
Status: Not a bug Package: PCRE related
PHP Version: 7.3.6 OS:
Private report: No CVE-ID: None
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 [2019-06-06 15:19 UTC] nicolas dot grekas+php at gmail dot com
On 7.3.5 and 7.3.6

Test script:
var_export(preg_split('//iu', chr(226).'foo'));

Expected result:
    array (
      0 => '�foo',

Actual result:


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 [2019-06-06 15:29 UTC]
-Status: Open +Status: Not a bug
 [2019-06-06 15:29 UTC]
This is an intentional change due to bug #76127. preg_split() was silently ignoring errors, contrary to the documented contract and all other preg_* functions.
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