WordPress / WordPress/WordPress-Coding-Standards

InputNotSanitized should not report when doing numeric operations

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Dominant language
PHP
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Description

Bug Description

When using unsanitized input with numeric operations, wpcs should not report WordPress.Security.ValidatedSanitizedInput.InputNotSanitized

Minimal Code Snippet

$request_duration = microtime( true ) - $_SERVER['REQUEST_TIME_FLOAT'];

Error Code

WordPress.Security.ValidatedSanitizedInput.InputNotSanitized

Environment

Question Answer
PHP version 7.4.0
WPCS version 2.3.0

Tested Against develop branch?

  • I have verified the issue still exists in the develop branch of WPCS.

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the reported InputNotSanitized warning with the minimal PHP snippet on the develop branch, using PHP 7.4 and WPCS 2.3.0 as the stated environment. Trace the WordPress.Security.ValidatedSanitizedInput.InputNotSanitized sniff and its existing tests, then verify that numeric operations no longer report this case while other unsanitized input cases remain covered.

Written by the indexing model from the issue text.

Assessment

Tech stack
php
Domain
tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
62/100

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