How to get first n characters from a string in PHP

To get the first n characters from a string, we can use the built-in substr() function in PHP.

Here is an example, that gets the first 3 characters from a following string.

<?php

echo substr("Ok-Google", 0, 3);

?>

Output:

Ok-

Syntax : substr(string, start, length)

The second argument is start index and third argument is length that means how many characters you need to get from the start index.