lcfirst(): first char to lower case

$str="Welcome to Plus2net.com";
echo  lcfirst($str);

welcome to plus2net.com

lcfirst( $input_string)

DEMO

Example: Convert Only First Character to Lowercase

$str = "Hello World";
echo lcfirst($str);  // Output: "hello World"

Example: Using lcfirst() with All Uppercase Strings

$str = "HELLO WORLD";
echo lcfirst($str);  // Output: "hELLO WORLD"

Example: Combining lcfirst() with ucfirst()

$str = "john doe";
echo ucfirst(lcfirst($str));  // Output: "John doe" (First letter of string capitalized, rest unchanged)

Example 2: Using lcfirst() with Special Characters

<?php
$str = "@Hello World!";
echo lcfirst($str);  // Output: "@Hello World!"
?>