08_string_functions.php

<?php 
$string = "Hello World";

//get length of a string
// echo strlen($string);

//find first occurrence
// echo strpos($string,'o');

//find last occurence
// echo strrpos($string,'o');

//reverse 
// echo strrev($string);

//convert to lower case
// echo strtolower($string);

//convert to upper
// echo strtoupper($string);

//upper case first character of each word
// echo ucwords($string);

//string replace
// echo str_replace('World','Everyone',$string);


//return a portion of the string specified by the offset and length
// echo substr($string,0,5);

// echo substr($string,5);

// if(str_starts_with($string,'Hello')){
//     echo 'YES';
// }

//ends with
// if(str_ends_with($string,'ld')){
//     echo 'YES';
// }

// $string2 = '<h1>Hello</h1>';
$string2 = '<script>alert(1)</script>';
// echo htmlspecialchars($string2);

// printf('%s likes to %s','Brad','Code');

printf('1+1=%f',1+1);