PHP 7.2.5 error, no access to settings

7.2 has some significant depreciations, and cloudflare hasn’t modified it. Will be especially important when security updates stop in dec 2018.

vendor/cloudflare/cloudflare-plugin-backend/src/SecurityUtil.php
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FOUND 2 ERRORS AFFECTING 1 LINE
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16 | ERROR | Function mcrypt_create_iv() is deprecated since PHP 7.1 and removed since PHP 7.2; Use random_bytes() or OpenSSL instead
16 | ERROR | Extension ‘mcrypt’ is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
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vendor/symfony/yaml/Parser.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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76 | WARNING | INI directive ‘mbstring.func_overload’ is deprecated since PHP 7.2
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vendor/symfony/yaml/Inline.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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55 | WARNING | INI directive ‘mbstring.func_overload’ is deprecated since PHP 7.2
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looks like the mcrypt stuff is okay, but perhaps something else is relying on this warning code:

mbstring.func_overload

ie
vendor/symfony/yaml/Parser.php
and
vendor/symfony/yaml/Inline.php

if (2 /* MB_OVERLOAD_STRING */ & (int) ini_get('mbstring.func_overload')) {
   $mbEncoding = mb_internal_encoding();
   mb_internal_encoding('UTF-8');
}

Might be expected to be working…and they wont be. So..i don;t know, but probably important for developers to comment on here.