The PHP lcfirst is an inbuilt function in PHP. It takes a string as the parameter and converts the first character lowercase. Also, it doesn’t change other characters of the string. In this article, we will discuss the PHP lcfirst Function. Also, we will discuss a few examples of using it.
To convert the first character of the string to uppercase, you should use PHP ucfirst Function.
Syntax
lcfirst($string)
Parameters
The PHP lcfirst function expects only one parameter. The string whose first character will be changed to lowercase is passed as the parameter.
Return Value
The function returns the string after converting it’s first character to lowercase. However, it does not change other characters. If the first character is already in lowercase, it returns the string as it is.
Input: lcfirst('CONCATLY') Output: cONCATLY

Example
<?php $string = 'Hello world'; $newString = lcfirst($string); ?>
OUTPUT:
hello world
In the above example, you can observe that the function converts the first character of the string to lowercase. It does not change any other character of the string.
Conclusion
In this article, we discussed the PHP lcfirst. It converts the first character of the string to lowercase, without effecting any other characters. You can read more about it on PHP Official Documentation. Also, you can read about more PHP String Functions on Concatly.

Vishesh is currently working as an Intermediate Software Engineer with Orion Health, New Zealand. He graduated with a Masters in Information Technology from the University of Auckland in 2021. With more than 4 years of work experience, his expertise includes Java, Python, Machine Learning, PHP, Databases, Design and Architecture.