php take first character of string code example

Example 1: php get first 5 characters of string

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

Example 2: take last four digits php

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

Example 3: get first word from string php

function getFirstWord($string)
    {
        $arr = explode(' ', trim($string));
        return isset($arr[0]) ? $arr[0] : $string;
    }