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mb_trim

(PHP 8 >= 8.4.0)

mb_trimStrip whitespace (or other characters) from the beginning and end of a string

说明

mb_trim(string $string, ?string $characters = null, ?string $encoding = null): string

Performs a multi-byte safe trim() operation, and returns a string with whitespace stripped from the beginning and end of string. Without the second parameter, mb_trim() will strip these characters:

参数

string
The string that will be trimmed.
characters
可选,也可以使用 characters 参数指定要删除的字符。只需列出所有需要删除的字符即可。
encoding

encoding 参数为字符编码。如果省略或是 null,则使用内部字符编码。

返回值

The trimmed string.

参见