How to Extract a Substring in PHP?

Problem:- How to Extract a Substring in PHP? If you want to extract part of a string starting at a particular place of a string. For example you want to extract 8 character is entered in input field.

Contents hide

1 Solution – Extract a Substring in PHP

2 How it Works

Solution – Extract a Substring in PHP

<?php   
$username = 'hindialerts';
$username = substr($username, 0, 8);
echo $username;
?>

How it Works

substr($string, $start, $length);

If $start and $length are positive substr() return $length characters in the string. for example we choose Hindialerts so by using substr($username, 0, 8) it return us the Hindiale only. We also can use negative value in this function just try it out and comment below if you got any error.