pcre not ready at mbstring startup

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Description

A simple php -v raise error message

PHP Warning: PHP Startup: ^(text/|application/xhtml\+xml) (offset=0): unrecognised compile-time option bit(s) in Unknown on line 0

This seems to be a quite rare run condition, when mbstring is initialized (and mbstring.http_output_conv_mimetypes value) before pcre.

PHP Version

PHP 8.0

Operating System

Linux