mb_scrub

(PHP 7 >= 7.2.0, PHP 8)

mb_scrub — Replace ill-formed byte sequences with the substitute character

说明

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.

参数

string: The 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.

返回值

The string result with invalid byte sequences replaced.

更新日志

版本	说明
8.0.0	现在 `encoding` 可以为 null。

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Sammitch ¶

6 years ago

Replaces 'ill-formed' byte sequences with '?'.

See: https://github.com/php/php-src/pull/1099