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Finished the challenge #3

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Finished the challenge #3

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7c2af7a
Just started first commit
Aug 7, 2014
d52bfe3
started making outline
Aug 7, 2014
ca0940f
Done with box, just need to test cross-platform
Aug 8, 2014
ca23ade
Finished THE BOX challenge
Aug 8, 2014
2b5a0fb
I think I'm done with comprehension
Aug 8, 2014
4e4a2d4
Think I'm done with strpos
Aug 8, 2014
4bc4a32
Made a few tiny changes
Aug 8, 2014
69dbdf0
Merge branch 'strpos'
Aug 8, 2014
68a1adf
Removing swap files
Aug 8, 2014
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114 changes: 114 additions & 0 deletions challenges/THE BOX/thebox.html
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<!DOCTYPE html>
<html>
<head>
<title>The Box</title>
<style type="text/css">
#container {
width: 630px;
height: 574px;
padding-left: 30px;
padding-top: 27px;
}

#thebox {
width: 550px;
height: 500px;
padding: 10px;
box-shadow: 0 0 2px 2px #CCC;
-moz-box-shadow: 0 0 2px 2px #CCC;
-webkit-box-shadow: 0 0 2px 2px #CCC;
-moz-border-radius: 1px;
-webkit-border-radius: 1px;
-khtml-border-radius: 1px;
border-radius: 1px;
}

#leftspan1 {
width: 140px;
height: 402px;
float: left;
}

#leftspan1 > .darkgreen {
width: 100%;
height: 195px;
background-color: #68884B;
}

#leftspan1 > .lightgreen {
width: 100%;
height: 195px;
margin-top: 10px;
background-color: #81BB4D;
}

#rightspan1 {
width: 400px;
height: 400px;
float: right;
background-color: #F1AB3C;
}

#bottomspan {
margin-top: 8px;
width: 100%;
height: 90px;
float: left;
}

#bottomspan > .darkblue {
width: 290px;
height: 90px;
float: left;
background-color: #2669A8;
}

#bottomspan > .lightblue {
width: 90px;
height: 90px;
margin-left: 10px;
float: left;
background-color: #4794DC;
}

#bottomspan > #rightspan2 {
width: 150px;
height: 90px;
float: right;
}

#bottomspan > #rightspan2 > .darkblue {
width: 100%;
height: 40px;
margin-bottom: 10px;
background-color: #87BFF4;
}

#bottomspan > #rightspan2 > .lightblue {
width: 100%;
height: 40px;
background-color: #B6DBFE;
}
</style>
</head>
<body>
<div id="container">
<div id="thebox">
<div id="leftspan1">
<div class="darkgreen"></div>
<div class="lightgreen"></div>
</div>
<div id="rightspan1"></div>
<div style="clear: both"></div>
<div id="bottomspan">
<div class="darkblue"></div>
<div class="lightblue"></div>
<div id="rightspan2">
<div class="darkblue"></div>
<div class="lightblue"></div>
</div>
</div>
</div>
</div>
</body>
</html>
17 changes: 17 additions & 0 deletions challenges/comprehension/explanation.txt
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The program starts off by defining the hash/dict/map @storage, initializing it to null.

It then enters a loop which gets a line of text from "input.txt" each iteration, storing it in the scalar variable %temp.

Within each iteration it splits the string up into words and stores them into the array $temp.

A foreach loop then iterates over each word, storing them temporarily in the scalar variable %t.

Inside this loop it checks to see if the word is composed of one or more alphanumeric characters.

If so, it checks to see if the word is a key in @storage. If so, it increments the integer that the key %t maps to. If not, it initializes an integer in @storage to 1, with %t being its key.

After the program has reached an EOF (I'm assuming at least), it iterates over all the key-value pairs in @storage, and prints them ("key value").

In summary, the program reads a text file, calculates the frequency of every word, and then prints out each word and its corresponding frequency.

Note: The @ sigil refers to a hash/dict/map. The $ sigil refers to an array. The % sigil refers to a scalar (in this case, strings).
21 changes: 19 additions & 2 deletions challenges/strpos/strpos.php
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<?php

function my_strpos(/* arguments go here! */)
function my_strpos($haystack, $needle, $offset = 0)
{
# Your code goes here!
if ($offset < 0) {
$backtrace = debug_backtrace();
echo "PHP Warning: my_strpos(): Offset not contained in string in " .
$backtrace[0]["file"] . " on line " . $backtrace[0]["line"] . "\n";
return -1;
}
$haystack = substr($haystack, $offset);
if (!is_string($needle)) {
$needle = chr((int)($needle));
}

preg_match('/' . $needle . '/', $haystack, $matches, PREG_OFFSET_CAPTURE);
if ($matches) {
return $matches[0][1];
}
else {
return false;
}
}

$alphabet = 'abcdefghijklmnopqrstuvwxyz';
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