php take first 3 characters code example
Example 1: 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 2: print only some characters of a string in php
substr(string,start,length)