The way PHP converts the first letter to lowercase is to pass the string as a parameter to the lcfirst function, such as [lcfirst("Hello world!");]. The lcfirst function automatically converts the first character in a string to lowercase.
The operating environment of this article: windows10 system, php 7.3, thinkpad t480 computer.
There is a function in PHP that can easily convert the first character in a string to lowercase. It is the lcfirst function. Let's briefly introduce the lcfirst function.
lcfirst() function converts the first character in the string to lowercase and returns the converted string.
Grammar:
lcfirst(string)
Code example:
<!DOCTYPE html>
<html>
<body>
<?php
echo lcfirst("Hello world!");
?>
</body>
</html> Running results:
hello world!
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