php substring with character code example

Example 1: get last character of string php

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

Example 2: php get first 5 characters of string

$result = substr("Hello How are you", 0, 5); //first 5 chars "Hello"

Example 3: php get string before character

$arr = explode("/", $string, 2);
$first = $arr[0];