function.preg-match does not reference that input string length is limited to pcre.backtrack_limit
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Description
From manual page: https://php.net/function.preg-match
If the $subject parameter is too long, this function will fail. It is subject to pcre.backtrack_limit, but this is not referenced on the page.
It would be useful if the subject parameter documented this explicitly.
See another user who ran into the same mysterious problem: https://stackoverflow.com/questions/4180910/#comment92414114_4180924
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- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start at the preg_match manual page linked in the issue and review the description of the $subject parameter. Document explicitly that an overly long subject is subject to pcre.backtrack_limit and may cause the function to fail. The work is done when this limitation is clear on the page.
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Assessment
- Tech stack
- php
- Domain
- documentation
- Issue type
- Documentation
- Difficulty
- 1/5
- Estimated time
- Under an hour
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 62/100