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Bug #81236 Arbitrary loss of last char in rtrim result
Submitted: 2021-07-08 15:03 UTC Modified: 2021-07-08 15:07 UTC
From: dev at solon dot media Assigned: cmb (profile)
Status: Not a bug Package: Strings related
PHP Version: 7.3.29 OS: RHEL
Private report: No CVE-ID: None
 [2021-07-08 15:03 UTC] dev at solon dot media
rtrim under odd circumstances returns a truncated string.

Test script:
$str = "performance-details";
echo rtrim($str,"-details");

Expected result:
Should return 'performance'

Actual result:
Returns 'performanc' - the final e is dropped.


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 [2021-07-08 15:07 UTC]
-Status: Open +Status: Not a bug -Assigned To: +Assigned To: cmb
 [2021-07-08 15:07 UTC]
Sorry, but your problem does not imply a bug in PHP itself.  For a
list of more appropriate places to ask for help using PHP, please
visit as this bug system is not the
appropriate forum for asking support questions.  Due to the volume
of reports we can not explain in detail here why your report is not
a bug.  The support channels will be able to provide an explanation
for you.

Thank you for your interest in PHP.
 [2021-07-08 15:13 UTC]
"Simply list all characters that you want to be stripped."

e is in the list.
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