PHP String Change Case:

In this current tutorial we will study how to change a string from normal text to all lower case text, to all upper case text and convert every first character to uppercase.

To convert a string to all lowercase text we will use strtolower() function, to convert a string to all uppercase text we will use strtoupper() function and ucword() function is used to convert every first character of each word to uppercase.

PHP String Change Case Example:

$string="This is a String";

$string=strtolower($string);

echo $string;

Output:

this is a string

Example:

$string="This is a String";

$string=strtoupper($string);

echo $string;

Output:

THIS IS A STRING

Example:

$string="This is a String";

$string=ucwords($string);

echo $string;

Output:

This Is A String

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