(PHP 7 >= 7.2.0, PHP 8)
mb_scrub — Replace ill-formed byte sequences with the substitute character
mb_scrub(string $string, ?string $encoding = null): string
Perform a character set conversion from the specified encoding, or the default encoding if no encoding was specified, to the same encoding. This has the effect of replacing any invalid byte sequences with the substitute character.
stringThe input string.
encoding The encoding used to interpret string. If it is omitted or null, the mbstring.internal_encoding setting will be used if set, otherwise the default_charset setting will be used.
The string result with invalid byte sequences replaced.
| Version | Description |
|---|---|
| 8.0.0 | encoding is nullable now. |
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https://www.php.net/manual/en/function.mb-scrub.php