Tác dụng của hàm lcfirst()
The lcfirst() function converts the first character of a string to lowercase.
The following table summarizes the technical details of this function.
| Return Value: | Returns the modified string. |
|---|---|
| Version: | PHP 5.3.0+ |
Syntax
The basic syntax of the lcfirst() function is given with:
lcfirst(string);
The following example shows the lcfirst() function in action.
Ví dụ
<?php
// Sample string
$str = "Hello World!";
// Making string's first character lowercase
echo lcfirst($str);
?>Here's a list of the functions related to lcfirst() function:
ucfirst()– Converts the first character of a string to uppercase.ucwords()– Converts the first character of each word in a string to uppercase.strtoupper()– Converts a string to uppercase.strtolower()– Converts a string to lowercase.
Parameters
The lcfirst() function accepts the following parameters.
| Parameter | Description |
|---|---|
| string | Required. Specifies the string to work on. |