<?php
$str = "This is nice";
echo strlen($str)."<br>"; // Using strlen() to return the string length
echo substr_count($str,"is")."<br>"; // The number of times "is" occurs in the string
echo substr_count($str,"is",2)."<br>"; // The string is now reduced to "is is PHP"<br>echo substr_count($str,"is",3)."<br>"; // The string is now reduced to "s is PHP"<br>echo substr_count($str,"is",3,3)."<br>"; // The string is now reduced to "s i"<br>?>