PHP Conference Japan 2024

mb_lcfirst

(PHP 8 >= 8.4.0)

mb_lcfirstMake a string's first character lowercase

说明

mb_lcfirst(string $string, ?string $encoding = null): string

Performs a multi-byte safe lcfirst() operation, and returns a string with the first character of string lowercased.

参数

string
The input string.
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

Returns the resulting string.

参见

  • mb_ucfirst() - Make a string's first character uppercase
  • lcfirst() - 使字符串的第一个字符小写
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