select 8th character from the end of a string in php code example

Example 1: php nth characters from end of string

$rest = substr("abcdef", -3, 1); // returns 'd'

Example 2: only display part of string php

substr('abcdef', 1);     // bcdef
substr('abcdef', 1, 3);  // bcd
substr('abcdef', 0, 8);  // abcdef
substr('abcdef', -1, 1); // f