get last 3 digits of string php code example

Example 1: get last character of string php

substr("testers", -1); // returns "s"

Example 2: take last four digits php

$newstring = substr($dynamicstring, -7);

Example 3: php get last digit of number

$number = 12356;
$lastDigit = $number % 10;
echo $lastDigit; // 6