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<?
// JimMartinson/CST1146/Labs/Lab03/Lab03.phpinc
#if ( $_SESSION['userId'] == 1 ) $showEvaluationVariables = true;
require('Gradebook/EvaluationSubmission_BEGIN.phpinc'); // Replaced.
#if ( $_SESSION['userId'] != 1 ) { require('Gradebook/EvaluationSubmission_END.phpinc'); exit; }
include('common/Browser/Browser.phpinc');
$disabled = '';
$disabled = ' disabled'; // Comment this line to enable lab.
// NOTE: Disable Include conf/extra/httpd-autoindex.conf line in the httpd.conf file before labs.
// OR: Fix labs so Lab 4 mod_autoindex works as it should.
?>
<fieldset><legend><?=$evaluationType?> <?=$evaluationNumber?> Description</legend>
The purpose of this lab is to demonstrate the use of php variables, data types, constants, and operators/operations.
<?=$gradeNote?>
<? if ( $disabled ) { ?><span class="error bold">Notice: Do not perform this assignment unless this notice has been removed.</span><? } ?>
</fieldset>
<fieldset><legend><?=$evaluationType?> <?=$evaluationNumber?> Instruction</legend>
<ol class="count">
<!-- 1 -->
<li>Create a directory called <b class="copyText"><?=$evaluationName?></b> in your <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?></b> directory. We will use it for all work performed in this lab.</li>
<!-- 2 -->
<li>Create a PHP file called <b class="copyText"><?=$saveFilename?>.php</b> in the <b><?=$evaluationName?></b> directory and open it in an editor.
<br>All code below will be written into this file.
<br>Create a stub file with the <span class="php">$labNumber</span>, <span class="php">$myName</span>, <span class="html">!DOCTYPE</span>, <span class="html">html</span>, <span class="html">head</span>, <span class="html">title</span>, <span class="html">meta charset</span>, and <span class="html">body</span>, and <span class="html">h1</span> variables, elements, and tags. <span class="note"><a href="#notes">See notes</a>.</span>
</li>
<!-- 3 -->
<li>Demonstrate the use of string variables:
<ol>
<li>Add an <span class="html">h2</span> heading with the content: <span class="html copyText">String variables</span>.</li>
<li>Create a php variable and give it a string value.</li>
<li>Create another php variable and give it a string value.</li>
<li>Display the name and value of each variable.</li>
<li>Display the first variable concatenated with the second variable.</li>
</ol>
<span class="note">Add text to describe what is being displayed and on separate lines. Display all values using the php var_dump() function.</span>
</li>
<li>Demonstrate the use of integer variables:
<ol>
<li>Add an <span class="html">h2</span> heading with the content: <span class="html copyText">Integer variables</span>.</li>
<li>Create a php variable and give it a non-zero integer value.</li>
<li>Create another php variable and give it a non-zero integer value.</li>
<li>Display the name and value of each variable.</li>
<li>Display the first variable added to the second variable.</li>
<li>Display the first variable multiplied by the second variable.</li>
</ol>
<span class="note">Add text to describe what is being displayed and on separate lines. Display all values using the php var_dump() function.</span>
</li>
<!-- 4 -->
<li>Demonstrate the use of floating variables:
<ol>
<li>Add an <span class="html">h2</span> heading with the content: <span class="html copyText">Floating variables</span>.</li>
<li>Create a php variable and give it a non-zero float value.</li>
<li>Create another php variable and give it a non-zero float value.</li>
<li>Display the name and value of each variable.</li>
<li>Display the first variable added to the second variable.</li>
<li>Display the first variable multiplied by the second variable.</li>
</ol>
<span class="note">Add text to describe what is being displayed and on separate lines. Display all values using the php var_dump() function.</span>
</li>
<!-- 5 -->
<li>Demonstrate the use of string, integer, and floating operations:
<ol>
<li>Add an <span class="html">h2</span> heading with the content: <span class="html copyText">Mixed variables</span>.</li>
<li>Display the first string variable concatenated to the first integer variable from above.</li>
<li>Display the first integer variable added to the first floating variable from above.</li>
<li>Display the first integer variable added to the first floating variable from above but with the float cast as an integer.</li>
</ol>
<span class="note">Add text to describe what is being displayed and on separate lines. Display all values using the php var_dump() function.</span>
</li>
<!-- 6 -->
<li>Demonstrate the use of assignment:
<ol>
<li>Add an <span class="html">h2</span> heading with the content: <span class="html copyText">Assignment</span>.</li>
<li>Set the first integer variable equal to the second integer variable from above.</li>
<li>Display the value of the first integer variable.</li>
<li>Set the first integer variable plus equal (+=) to itself.</li>
<li>Display the value of the first integer variable.</li>
<li>Increment the first integer variable using the increment operator (++).</li>
<li>Display the value of the first integer variable.</li>
</ol>
<span class="note">Add text to describe what is being displayed and on separate lines. Display all values using the php var_dump() function.</span>
</li>
<!-- 7 -->
<li>Demonstrate the use of Comparison:
<ol>
<li>Add an <span class="html">h2</span> heading with the content: <span class="html copyText">Comparison</span>.</li>
<li>Display the name and value of the first integer variable.</li>
<li>Display the name and value of the second integer variable.</li>
<li>Display if the first integer variable is greater than the second integer variable using the <span class="php">var_dump()</span> function.</li>
<li>Set the second integer variable equal to the first integer variable but cast it as a float.</li>
<li>Display the name and value of the second integer variable.</li>
<li>Display if the first integer variable is equal (==) to the second integer variable using the <span class="php">var_dump()</span> function.</li>
<li>Display if the first integer variable is identical (===) to the second integer variable using the <span class="php">var_dump()</span> function.</li>
</ol>
<span class="note">Add text to describe what is being displayed and on separate lines. Display all values using the php var_dump() function.</span>
</li>
<!-- 8 -->
<li>Demonstrate the use of php constants:
<ol>
<li>Add an <span class="html">h2</span> heading with the content: <span class="html copyText">Constants</span>.</li>
<li>Create a php constant and give it a numerical value.</li>
<li>Display the name and value of the constant.</li>
<li>Display the first integer variable added to your constant.</li>
</ol>
<span class="note">Add text to describe what is being displayed and on separate lines. Display all values using the php var_dump() function.</span>
</li>
<!-- 9 -->
<li>Verify that your page works.
<ol type="i">
<li>Start Apache if it is not running.</li>
<li>Open up a browser.</li>
<li>In the address bar enter <b class="copyText">http://localhost/CST1146/<?=$evaluationName?>/</b> and hit enter.</li>
<li>Click on your <b><?=$saveFilename?>.php</b> file.
<br>You should see a page like:<br>
<? BrowserBegin('Lab '.$evaluationNumber.' - '.$userFullName,'http://localhost/CST1146/'.$saveFilename.'.php',820); ?>
<h1 class="left">Lab <?=$evaluationNumber?> - <?=$userFullName?></h1>
<h2>String variables</h2>
<?php
$strOne = "My name:";
$strTwo = "Jim";
echo '$strOne = ',var_dump($strOne);
echo "<br>\n";
echo '$strTwo = ',var_dump($strTwo);
echo "<br>\n";
echo '$strOne concatenated with $strTwo = ',var_dump($strOne.$strTwo);
?>
<h2>Integer variables</h2>
<?php
$intOne = 2;
$intTwo = 4;
echo '$intOne = ',var_dump($intOne);
echo "<br>\n";
echo '$intTwo = ',var_dump($intTwo);
echo "<br>\n";
echo '$intOne added to $intTwo = ',var_dump($intOne+$intTwo);
echo "<br>\n";
echo '$intOne multiplied by $intTwo = ',var_dump($intOne*$intTwo);
?>
<h2>Floating variables</h2>
<?php
$floatOne = 1.5;
$floatTwo = 2.25;
echo '$floatOne = ',var_dump($floatOne);
echo "<br>\n";
echo '$floatTwo = ',var_dump($floatTwo);
echo "<br>\n";
echo '$floatOne added to $floatTwo = ',var_dump($floatOne+$floatTwo);
echo "<br>\n";
echo '$floatOne multiplied by $floatTwo = ',var_dump($floatOne*$floatTwo);
?>
<h2>Mixed variables</h2>
<?php
echo '$strOne concatenated to $intOne = ',var_dump($strOne.$intOne);
echo "<br>\n";
echo '$intOne added to $floatOne = ',var_dump($intOne+$floatOne);
echo "<br>\n";
echo '$intOne added to $floatOne cast to an int = ',var_dump($intOne+(int)$floatOne);
?>
<h2>Assignment</h2>
<?php
$intOne = $intTwo;
echo '$intOne = ',var_dump($intOne);
echo "<br>\n";
$intOne += $intOne;
echo '$intOne = ',var_dump($intOne);
echo "<br>\n";
$intOne++;
echo '$intOne = ',var_dump($intOne);
?>
<h2>Comparison</h2>
<?php
echo '$intOne = ',var_dump($intOne);
echo "<br>\n";
echo '$intTwo = ',var_dump($intTwo);
echo "<br>\n";
echo '$intOne > $intTwo = ',var_dump($intOne > $intTwo);
echo "<br>\n";
$intTwo = (float)$intOne;
echo '$intTwo = ',var_dump($intTwo);
echo "<br>\n";
echo '$intOne == $intTwo = ',var_dump($intOne == $intTwo);
echo "<br>\n";
echo '$intOne === $intTwo = ',var_dump($intOne === $intTwo);
echo "<br>\n";
?>
<h2>Constants</h2>
<?php
define("MY_CONSTANT",10);
echo 'MY_CONSTANT = ',var_dump(MY_CONSTANT);
echo "<br>\n";
echo '$intOne added to MY_CONSTANT = ',var_dump($intOne+MY_CONSTANT);
?>
<? BrowserEnd(); ?>
If this is not what you see then you have errors in your code.
</li>
<li><b class="info">Take a screenshot of the page</b> and save the image as <b class="copyText"><?=$saveFilename?>.png</b> in your <b><?=$dataFolder?><?=$dirSep?><?=$courseNumber?><?=$dirSep?><?=$evaluationName?></b> directory.
<br>Make sure that the address bar is visible in your browser before saving the image.
</li>
</ol>
</li>
<!-- 10 -->
<li>Turn in your assignment:
<ol>
<li>Ensure the following files are in your <b><?=$evaluationName?></b> folder.
<br><?=$saveFilename?>.php
<br><?=$saveFilename?>.png
</li>
<li>Zip up your <b><?=$evaluationName?></b> folder into a file named <b class="copyText"><?=$uploadFilename?></b>.</li>
<li>Browse and select your <b><?=$uploadFilename?></b> file: <input type="file" name="fileUpload" id="inpFileUpload"<?=$disabled?>><div id="divFileploadError"></div></li>
<li>Then <input type="submit" name="f_subtask" id="inpSubmit" value="Submit"<?=$disabled?>> for grading.</li>
</ol>
</li>
</ol><? if ( $disabled ) { ?><span class="error bold">Notice: Do not perform this assignment unless this notice has been removed.</span><? } ?>
</fieldset>
<?
require('../LabNotes.phpinc');
require('Gradebook/EvaluationSubmission_END.phpinc'); // Replaced.
?>