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This will convert all alphabetic characters to lowercase letters. Like String to Upper Case function, it’s easy to use but quite difficult to remember among difference popular programming languages such as PHP, C# and JavaScript.

In this post, I will combine the usage of String To Lower Case function in various ways for us to remember and reference easier.

1. PHP: String To Lower Case

<?php
	$string = "4 Rapid Development";
	$string = strtolower($string);
 
	echo $string;
	//4 rapid development
?>

2. C#: String To Lower Case

    string str = "4 Rapid Development";
    str = str.ToLower();
    Response.Write(str);
    //4 rapid development

3. JavaScript: String To Lower Case

<script language="javascript" type="text/javascript">
	var string = "4 Rapid Development"
	string = string.toLowerCase();
	document.write(string);
	//4 rapid development
</script>