Re: Adding in a case-insensitive version of str_contains
As I understand, it was a conscious decision not to add this function
when str_contains was created. The reason is that case sensitivity is
locale-dependent, and for such use cases, mbstring extension is better
[1] & [2]. Do you think that locale is a concern here, and if not,
why? Would it be a good idea to add mb_str_icontains instead?
If you're going to propose an RFC for this, it would be a good idea to
explain what the real life use case for it is. While str_contains is
very useful for checking the existence of a byte-string within another
byte-string, a case-sensitive check doesn't seem to have much use.
[1]: https://stackoverflow.com/a/63121809/1839439
[2]: https://wiki.php.net/rfc/str_contains#case-insensitivity_and_multibyte_strings
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