Kaity's code output for Strings:

Strings Revisited

The string is: -- When Life Gives You Lemons. --note the spaces before and after the string

The length of the string is: 29

Character (ASCII[32]) -- -- is in position 0
Character (ASCII[87]) --W-- is in position 1
Character (ASCII[104]) --h-- is in position 2
Character (ASCII[101]) --e-- is in position 3
Character (ASCII[110]) --n-- is in position 4
Character (ASCII[32]) -- -- is in position 5
Character (ASCII[76]) --L-- is in position 6
Character (ASCII[105]) --i-- is in position 7
Character (ASCII[102]) --f-- is in position 8
Character (ASCII[101]) --e-- is in position 9
Character (ASCII[32]) -- -- is in position 10
Character (ASCII[71]) --G-- is in position 11
Character (ASCII[105]) --i-- is in position 12
Character (ASCII[118]) --v-- is in position 13
Character (ASCII[101]) --e-- is in position 14
Character (ASCII[115]) --s-- is in position 15
Character (ASCII[32]) -- -- is in position 16
Character (ASCII[89]) --Y-- is in position 17
Character (ASCII[111]) --o-- is in position 18
Character (ASCII[117]) --u-- is in position 19
Character (ASCII[32]) -- -- is in position 20
Character (ASCII[76]) --L-- is in position 21
Character (ASCII[101]) --e-- is in position 22
Character (ASCII[109]) --m-- is in position 23
Character (ASCII[111]) --o-- is in position 24
Character (ASCII[110]) --n-- is in position 25
Character (ASCII[115]) --s-- is in position 26
Character (ASCII[46]) --.-- is in position 27
Character (ASCII[32]) -- -- is in position 28


The first 'e' is in position 3

The first 'o' is in position 18

Place the string When Life Gives You Lemons. into the second index of an array
The string located at the second index of the array is: When Life Gives You Lemons.
The third character of the When Life Gives You Lemons. string at the second index of the array is: e

Explode the string  When Life Gives You Lemons.  into an array
Array
(
    [0] => 
    [1] => When
    [2] => Life
    [3] => Gives
    [4] => You
    [5] => Lemons.
    [6] => 
)

When Life Gives You Lemons. When Life Gives You Lemons. When Life Gives You Lemons. When Life Gives You Lemons. When Life Gives You Lemons. When Life Gives You Lemons.

--- When Life Gives You Lemons. ---

---When Life Gives You Lemons.---

encrypt of When Life Gives You Lemons. is: xxzB1OYBEfKv6

md5 for When Life Gives You Lemons. : f777db9bc4d30627d7e9915ab2a8a31a

Implode the array back into a string: When Life Gives You Lemons.

---

CODE FOLLOWS

<?php
include('includes/header.php');

// code
error_reporting(E_ALL);    // set error reporting to all

echo("<h1>Kaity's code output for Strings:</h1>");

echo('<h2>Strings Revisited</h2>');

//------------

$hw = ' When Life Gives You Lemons. ';    // <- note spaces before and after the string
echo("The string is: --$hw--note the spaces before and after the string");
echo('<br><br>');

$a = strlen($hw);    // find the length of the string
echo("The length of the string is: $a");
echo('<br><br>');

//------------

for($i = 0; $i < $a; $i++)
{
    $ord= ord($hw[$i]);
    echo("Character (ASCII[$ord]) --$hw[$i]-- is in position $i");        // show the characters within the string
    echo('<br>');
}
echo('<br><br>');


//------------

$b = stripos($hw, 'e');        // where is the first 'l' in the string
echo("The first 'e' is in position $b");
echo('<br><br>');

//------------

$b = stripos($hw, 'o');        // where is the first 'd' in the string
echo("The first 'o' is in position $b");
echo('<br><br>');


//------------

$b = array();        // create an array
echo("Place the string $hw into the second index of an array");
echo('<br>');
$b[2] = $hw;        // place ' Hello World ' in index 2
echo("The string located at the second index of the array is: $b[2]");
echo('<br>');
echo("The third character of the $hw string at the second index of the array is: " . $b[2][3] );
echo('<br><br>');

//------------

$c = array();        // create an array
$c = explode(' ', $hw);    // explode the string into an array
echo('<pre>');
echo("Explode the string $hw into an array<br>");
print_r($c);        // show the array
echo('</pre>');

echo(str_repeat($hw, 6));    // repeat Hello World three times
echo('<br><br>');

echo("---$hw---");        // show the spaces at the start and end of the string
echo('<br><br>');
$b = trim($hw);        // remove the spaces at the start and end of the string
echo("---$b---");
echo('<br><br>');

$salt = "xx";
$f = crypt($hw, $salt);        // encrypt the string
echo("encrypt of $hw is: $f");
echo('<br><br>');

$f = md5($hw);        // md5 the string
echo(" md5 for $hw : $f");
echo('<br><br>');

$d = implode(' ', $c);    // implode the array back into a string (corrected order of arguments)
echo("Implode the array back into a string: $d");    // show the string
echo('<br><br>');

include('includes/footer.php');
?>

---