check first character of string php code example

Example 1: take last four digits php

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

Example 2: php get first character of string

$firstStringCharacter = substr("hello", 0, 1);

Example 3: php nth characters from end of string

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

Example 4: 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

Example 5: get first word from string php

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