How you can assign a new character in a String using PHP?

Submitted by: Administrator
The string element expression, $string{index}, can also be used at the left side of an assignment statement. This allows you to assign a new character to any position in a string. Here is a PHP script example:

$string = 'It's Friday?';
echo "$string ";
$string{11} = '!';
echo "$string ";

This script will print:
It's Friday?
It's Friday!
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