JetBrains PHPverse 2026

    mb_lcfirst

    (PHP 8 >= 8.4.0)

    mb_lcfirst — Make a string's first character lowercase

    Description

    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.

    Parameters

    string
    The input string.
    encoding
    The encoding parameter is the character encoding. If it is omitted or null, the internal character encoding value will be used.

    Return Values

    Returns the resulting string.

    See Also

    • mb_ucfirst() - Make a string's first character uppercase
    • lcfirst() - Make a string's first character lowercase

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