php string limit 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: php limit string length

if (strlen($str) > 10)
   $str = substr($str, 0, 7) . '...';

Example 3: take last four digits php

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