<?php
$x = 'Hello';
print "Length of string is: " . strlen($x);
print "<br>Count of word: " . str_word_count($x);
print "<br>Reverse the string: " . strrev($x);
print "<br>Position of string: " . strpos('Have a nice day!', 'nice'); //2 argument
print "<br>String replace: " . str_replace('good', 'nice', 'have a good day!'); //3 argument
print "<br>String convert to uppercase: " . strtoupper($x);
print "<br>String convert to lowercase: " . strtolower($x);
print "<br>convert first character into uppercase: " . ucfirst('good day');
print "<br>convert first character into lowercase: " . lcfirst('Good noon');
print "<br>convert first character of each word into uppercase: " . ucwords('keep going on!');
print "<br>Remove space from left side: " . ltrim(" hi..");
print "<br>Remove space from right side: " . rtrim("hello ");
print "<br>Remove both side of space: " . trim(" keep learning ");
print "<br>string encrypted with MD5: " . md5($x);
print "<br>Compare both string: " . strcoll('Hello', 'Hello') . "<br>" . strcmp('kinjal', $x);
print "<br>Return part of string: " . substr('Hello Everyone', 2);
?>