mahbub

June 5, 2019

Syntax

if (condition) {
code to be executed if condition is true;
}

June 5, 2019

When I run this code, It's showing erroorrr... wts wrong with this 1 ----------------------------------------------------------------------------- <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title> Q 1 </title>
</head>

<body>

<h1> Radio Frequency Interference at the ATCA </h1>

<p> The radio spectrum that is most often used by radio astronomers to observe the universe (frequencies of a few GHz) is also widely used by modern technology, leading to interference. Radio telescopes are very sensitive detectors of radio waves, so man-made devices that emit radio waves are easily seen. Although these devices are far less powerful than the jets of plasma emanating from a supermassive black hole in a distant galaxy, they are far, far closer. </p>

<p> Since most interference is man-made, it follows the human population. Thus, remote areas might be expected to have less interference. The <q><strong> Australia Telescope Compact Array </strong></q> (ATCA) is 20km away from Narrabri, in a shire of only 14000 people. Nevertheless, radio frequency interference is a major problem.</p>

   <h3> Sources of RFI at <a href="http://www.narrabri.atnf.csiro.au/"> ATCA </a>: </h3>

   <ul>
       <li>mobile phones</li>
       <li>wi-fi</li>
       <li>microwave ovens</li>
       <li>communications satellites</li>
       <li>navigation satellites</li>
       <li>radar</li>
   </ul>
   <p> A full list of the known sources of man-made interference at the telescope covers all these and more. </p>

</body>
</html>

2 ---------------------------------------------------------------------------
<!DOCTYPE html>
<html lang="en">
<head>

   <meta charset="UTF-8">
   <title> Question 1 </title>
   <style type = "text/css">

       body{
           color: white;
           background-color: blue;
           border-color: red;
           border-style: solid;}
       h1{
       font-size: 3em;}
       h3{
       background-color: black;}
       ul{
       font-size: 1.2em;
       }
       a{
       color:white;}
   </style>
</head>

<body>
   <h1> Radio Frequency Interference at the ATCA </h1>

<p> The radio spectrum that is most often used by radio astronomers to observe the universe (frequencies of a few GHz) is also widely used by modern technology, leading to interference. Radio telescopes are very sensitive detectors of radio waves, so man-made devices that emit radio waves are easily seen. Although these devices are far less powerful than the jets of plasma emanating from a supermassive black hole in a distant galaxy, they are far, far closer. </p>
<p> Since most interference is man-made, it follows the human population. Thus, remote areas might be expected to have less interference. The <q><strong> Australia Telescope Compact Array </strong></q> (ATCA) is 20km away from Narrabri, in a shire of only 14000 people. Nevertheless, radio frequency interference is a major problem.</p>

   <h3> Sources of RFI at <a href="http://www.narrabri.atnf.csiro.au/"> ATCA </a>: </h3>
   <ul>
       <li>mobile phones</li>
       <li>wi-fi</li>
       <li>microwave ovens</li>
       <li>communications satellites</li>
       <li>navigation satellites</li>
       <li>radar</li>
   </ul>
   <p> A full list of the known sources of man-made interference at the telescope covers all these and more. </p>
</body>
</html>

4 --------------------------------------------
<?php
$dbConn = new mysqli("location", "username", "password", "elecDatabaseName");
if($dbConn->connect_error)
{
die("Failed to connect to database " . $dbConn->connect_error);
}
?>

<?php

if (isset($_POST["submit"])){

$val=$_POST["customerNum"];
$sn=$_POST["shipped"];

if ($sn=="Y"){
$sql = "SELECT orderID, orderDate,shippingDate,customer.customerID,firstName,lastName,postcode
FROM customer
INNER JOIN purchase ON customer.customerID=purchase.customerID
WHERE customer.customerID='$val' AND purchase.shipped='$sn'
ORDER BY orderDate ASC";
$results = $dbConn->query($sql)or
die ('Problem with query: ' . $dbConn->error);

$count = mysqli_num_rows($results);
}

elseif($sn=="N"){
$sql = "SELECT orderID, orderDate,shippingDate,customer.customerID,firstName,lastName,postcode
FROM customer
INNER JOIN purchase ON customer.customerID=purchase.customerID
WHERE customer.customerID='$val' AND purchase.shipped='$sn'
ORDER BY orderDate ASC";
$results = $dbConn->query($sql)or
die ('Problem with query: ' . $dbConn->error);

$count = mysqli_num_rows($results);
}}
?>

<?php if ($count>0){ ?>

<th>orderID</th>
<th>orderDate</th>
<th>shippingDate</th>
<th>customerID</th>
<th>firstName</th>
<th>lastName</th>
<th>postcode</th>
</tr>
<?php
while ($row = $results->fetch_assoc()) { ?>
<tr>

<?php }

$dbConn->close();
?>

</table>
<?php } else{
echo "Nothing Found";

} ?>

</body>
</html>

-------------------------

1..........................................................

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>WAASAAS Frequent Flier Survey - Speak your Brains!</title>
<link href="styles.css" rel="stylesheet">

</head>

<body>
<h1> WAASAAS Frequent Flier Survey</h1>
<form id="Q3form" method="post" action="survey.php" >

        <p>
          <label for="first">First Name:</label>
          <input type="text" id="first" name="first">
          <label for="last">Family Name:</label>
          <input type="text" id="last" name="last">
        </p>
        <p>
          <label for="ffno">WAASAAS Frequent Flier Number:</label>
          <input type="text" id="ffno" name="ffno" placeholder="">
        </p>

    <br>

    <br>
     <label for="meal">Preferred meal:</label>
        <select id="meal" name="meal" size="1">
          <option value=""> -- </option>
          <option value="std"> Standard </option>
          <option value="veg"> Vegetarian </option>
          <option value="vegan"> Vegan </option>
          <option value="gf"> Gluten-free </option>
          <option value="fruit"> Fruitarian </option>
          <option value="meat"> Meat-lover's - no vegetables </option>
          <option value="vegemite"> Vegemite sandwich </option>
        </select>
        <br>

        <p>What do you like to do during flights?<br>
          <input type="checkbox" id="chbx1" name="inflight" value="snore"><label for="chbx1">Snore loudly</label><br>
          <input type="checkbox" id="chbx2" name="inflight" value="eat"><label for="chbx2">Eat messily</label><br>
          <input type="checkbox" id="chbx3" name="inflight" value="talk"><label for="chbx3">Talk to the person next to you</label><br>
          <input type="checkbox" id="chbx4" name="inflight" value="whinge"><label for="chbx4">Complain to the cabin crew</label><br>
          <input type="checkbox" id="chbx5" name="inflight" value="sleep"><label for="chbx5">Sleep in the aisle</label><br>
        </p>
    <br>

2 ...................................................

body {
    margin:0;
    padding:0;
    font-family: Arial;
    font-size:1em;
    font-color:navy;
    background-color:white;
    color:#000000;
}
h1{
font-size:90px;}
form {
    margin:20px;
    background-color:lightblue;
    padding:0.5cm;
}

input[type="text"], select {
    width:250px;
    padding:3px;
    font-size:1em;
}

input[type="submit"] {
padding:3px;
font-size:1em;
}

label {
display:inline-block;
width:150px;
}

table {
border-collapse: collapse;
margin:10px;
}

table, th, td {
    border: black solid 1px;
    padding:3px;
    text-align: center;
}

3 -----------------------------------------

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>WAASAAS Frequent Flier Survey - Speak your Brains!</title>
<link href="styles.css" rel="stylesheet">
<style type="text/css">
          table, td { border: 1px solid gray; padding:3px; }
          input[type="text"] { border: 1px solid black; }
      .error { color:red; }
    </style>
</head>

<body>

<?php
if ( isset($_POST["submit"])) {

$x=$_POST["first"];
$y=$_POST["last"];
$z=$_POST["ffno"];

$Msg1= '<span class="error">You must enter First Name.</span>';
$Msg2= '<span class="error">You must enter Family Name.</span>';
$Msg3= '<span class="error">You must enter WAASAAS Frequent Flier Number:.</span>';
$Msg4= '<span class="error">You must choose a preferred meal.</span>';
$Msg5= '<span class="error">You must choose at least one option </span>';
$Msg= '<span class="error">You must enter a 8 digit number </span>';
}

?>
<h1> WAASAAS Frequent Flier Survey</h1>
<form id="Q3form" method="post" action="question3.php" >

        <p>
          <label for="first">First Name:</label>
          <input type="text" id="first" name="first" value="<?php if ( isset($_POST["submit"])) echo htmlspecialchars($x); ?>"   ><?php if ( isset($_POST["submit"]) && empty($_POST["first"])) echo $Msg1; ?>
          <label for="last">Family Name:</label>
          <input type="text" id="last" name="last" value="<?php if ( isset($_POST["submit"])) echo htmlspecialchars($y); ?>" ><?php if ( isset($_POST["submit"]) && empty($_POST["last"])) echo $Msg2; ?>
        </p>
        <p>
          <label for="ffno">WAASAAS Frequent Flier Number:</label>
          <input type="text" id="ffno" name="ffno"value="<?php if ( isset($_POST["submit"])) echo htmlspecialchars($z); ?>" placeholder=""><?php if ( isset($_POST["submit"]) && empty($_POST["ffno"])) echo $Msg3; elseif (isset($_POST["submit"]) && !preg_match('/^[0-9]{8}$/', $z)) echo $Msg; ?>
        </p>

    <br>

    <br>

    <?php if ( isset($_POST["submit"]) && empty($_POST["meal"])) echo $Msg4; ?>   <br>

     <label for="meal">Preferred meal:</label>
        <select id="meal" name="meal" size="1">
          <option value=""> -- </option>
          <option value="std"> Standard </option>
          <option value="veg"> Vegetarian </option>
          <option value="vegan"> Vegan </option>
          <option value="gf"> Gluten-free </option>
          <option value="fruit"> Fruitarian </option>
          <option value="meat"> Meat-lovers - no vegetables </option>
          <option value="vegemite"> Vegemite sandwich </option>
        </select>
        <br>
<?php if ( isset($_POST["submit"]) && empty($_POST["inflight"])) echo $Msg5; ?> <br>
        <p>What do you like to do during flights?<br>
          <input type="checkbox" id="chbx1" name="inflight" value="snore"><label for="chbx1">Snore loudly</label><br>
          <input type="checkbox" id="chbx2" name="inflight" value="eat"><label for="chbx2">Eat messily</label><br>
          <input type="checkbox" id="chbx3" name="inflight" value="talk"><label for="chbx3">Talk to the person next to you</label><br>
          <input type="checkbox" id="chbx4" name="inflight" value="whinge"><label for="chbx4">Complain to the cabin crew</label><br>
          <input type="checkbox" id="chbx5" name="inflight" value="sleep"><label for="chbx5">Sleep in the aisle</label><br>
        </p>

<br>

Question 4------------------

<!DOCTYPE html>
<html lang="en">
<head><meta charset="utf-8">
<title>weekten Exercise 3</title>
<link rel="stylesheet" href="styles.css">
<style type="text/css">
          table, td { border: 1px solid gray; padding:3px; }
          input[type="text"] { border: 1px solid black; }
      .error { color:red; }
    </style>

</head>
<body>

<?php
$numMsg = "";
$prodMsg = "";
if (isset($_POST["quantity"])){

$val = $_POST["quantity"];

if (is_numeric($val))
{
require_once("conn.php");
$sql = "SELECT name, quantityInStock, price FROM product WHERE quantityInStock > $val
ORDER BY quantityInStock ASC";
$results = $dbConn->query($sql)or
die ('Problem with query: ' . $dbConn->error);
}
elseif (!is_numeric($val)) {
echo '<span class="error">The value entered for the quantity was not a number.</span>';
}}
?>

<?php if (isset($_POST["quantity"])&&$val<60 && is_numeric($val)) { ?>
<h1>Products with stock > <?php echo $val ?></h1>
<table>
<tr>

<th>Name</th>
<th>Quantity In Stock</th>
<th>Price</th>
</tr>
<?php
while ($row = $results->fetch_assoc()) { ?>
<tr>

<?php }

$dbConn->close();
?>

</table>
<?php }elseif (isset($_POST["quantity"])&&is_numeric($val)) { ?>
<?php $prodMsg = '<span class="error">There are no products that have more than ' .$val . ' in stock <span>';?>
<?php echo $prodMsg; ?>
<?php } ?>
</body>
</html>

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