sub string function index of in php code example

Example 1: get last character of string php

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

Example 2: take 10 character from string using php

$return_string = substr("Hi i am returning first 10 characters.", 0, 10);
Output:
"Hi i am re"

Example 3: print only some characters of a string in php

substr(string,start,length)