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CSC370 Exercise November 20th

phpweb 

<?php
   $grade = array(80, 61, 76, 90, 100, 55, 49, 98, 77, 31, 62, 59, 71, 79, 93, 53, 64, 35, 47, 82);
   
   echo '<pre>'; print_r($grade); echo '<pre>';
   
   echo "The size of the array is ",sizeof($grade), ".<br>";
   
$x=0;
while($x < sizeof($grade))
{
    if ($grade[$x] >= 90 && $grade[$x] <= 100) {
        $GRADES = "A";
        } 
    elseif($grade[$x] >= 80 && $grade[$x] < 90){
        $GRADES = "B";
        }
    elseif($grade[$x] >= 70 && $grade[$x] < 80){
        $GRADES = "C";
        }
    elseif($grade[$x] >= 60 && $grade[$x] < 70){
        $GRADES = "D";
        }   
    elseif($grade[$x] < 50){
        $GRADES = "F";
        }
    switch ($GRADES) {
        case "A":
            echo "<br>A";
            break;
        case "B":
            echo "<br>B";
            break;
        case "C":
            echo "<br>C";
            break;
        case "D":
            echo "<br>D";
            break;
        case "F":
            echo "<br>F";
            break;
        }
        $x++;
    }

?>

zzzz

phpweb 

<html>
   
   <head>
      <style>
         .error {color: #FF0000;}
      </style>
   </head>
   
   <body> 
      <?php
         // define variables and set to empty values
         $nameErr = $emailErr = $genderErr = $websiteErr = "";
         $name = $email = $gender = $class = $course = $subject = "";
         
         if ($_SERVER["REQUEST_METHOD"] == "POST") {
            if (empty($_POST["name"])) {
               $nameErr = "Name is required";
            }else {
               $name = test_input($_POST["name"]);
            }
            
            if (empty($_POST["email"])) {
               $emailErr = "Email is required";
            }else {
               $email = test_input($_POST["email"]);
               
               // check if e-mail address is well-formed
               if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
                  $emailErr = "Invalid email format"; 
               }
            }
            
            if (empty($_POST["course"])) {
               $course = "";
            }else {
               $course = test_input($_POST["course"]);
            }
            
            if (empty($_POST["class"])) {
               $class = "";
            }else {
               $class = test_input($_POST["class"]);
            }
            
            if (empty($_POST["gender"])) {
               $genderErr = "Gender is required";
            }else {
               $gender = test_input($_POST["gender"]);
            }
            
            if (empty($_POST["subject"])) {
               $subjectErr = "You must select 1 or more";
            }else {
               $subject = $_POST["subject"];	
            }
         }
         
         function test_input($data) {
            $data = trim($data);
            $data = stripslashes($data);
            $data = htmlspecialchars($data);
            return $data;
         }
      ?>
		
      <h2>Absolute classes registration</h2>
      
      <p><span class = "error">* required field.</span></p>
      
      <form method = "POST" action = "<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">
         <table>
            <tr>
               <td>Name:</td>
               <td><input type = "text" name = "name">
                  <span class = "error">* <?php echo $nameErr;?></span>
               </td>
            </tr>
            
            <tr>
               <td>E-mail: </td>
               <td><input type = "text" name = "email">
                  <span class = "error">* <?php echo $emailErr;?></span>
               </td>
            </tr>
            
            <tr>
               <td>Time:</td>
               <td> <input type = "text" name = "course">
                  <span class = "error"><?php echo $websiteErr;?></span>
               </td>
            </tr>
            
            <tr>
               <td>Classes:</td>
               <td> <textarea name = "class" rows = "5" cols = "40"></textarea></td>
            </tr>
            
            <tr>
               <td>Gender:</td>
               <td>
                  <input type = "radio" name = "gender" value = "female">Female
                  <input type = "radio" name = "gender" value = "male">Male
                  <span class = "error">* <?php echo $genderErr;?></span>
               </td>
            </tr>
            
            <tr>
               <td>Select:</td>
               <td>
                  <select name = "subject[]" size = "4" multiple>
                     <option value = "Android">Android</option>
                     <option value = "Java">Java</option>
                     <option value = "C#">C#</option>
                     <option value = "Data Base">Data Base</option>
                     <option value = "Hadoop">Hadoop</option>
                     <option value = "VB script">VB script</option>
                  </select>
               </td>
            </tr>
            
            <tr>
               <td>Agree</td>
               <td><input type = "checkbox" name = "checked" value = "1"></td>
               <?php if(!isset($_POST['checked'])){ ?>
               <span class = "error">* <?php echo "You must agree to terms";?></span>
               <?php } ?> 
            </tr>
            
            <tr>
               <td>
                  <input type = "submit" name = "submit" value = "Submit"> 
               </td>
            </tr>
            
         </table>
      </form>
      
      <?php
         echo "<h2>Your given values are as :</h2>";
         echo ("<p>Your name is $name</p>");
         echo ("<p> your email address is $email</p>");
         echo ("<p>Your class time at $course</p>");
         echo ("<p>your class info $class </p>");
         echo ("<p>your gender is $gender</p>");
         
         for($i = 0; $i < count($subject); $i++) {
            echo($subject[$i] . " ");
         }
      ?>
      
   </body>
</html>

sdasda

phpweb 

<?php
   if( $_GET["name"] || $_GET["age"] ) {
      echo "Welcome ". $_GET['name']. "<br />";
      echo "You are ". $_GET['age']. " years old.";
      
      exit();
   }
?>
<html>
   <body>
   
      <form action = "<?php $_PHP_SELF ?>" method = "GET">
         Name: <input type = "text" name = "name" />
         Age: <input type = "text" name = "age" />
         <input type = "submit" />
      </form>
      
   </body>
</html>

Multidimension array declaration

phpweb 

<?php
   session_start();
   
   if( isset( $_SESSION['counter'] ) ) {
      $_SESSION['counter'] += 1;
   }else {
      $_SESSION['counter'] = 1;
   }
	
   $msg = "You have visited this page ".  $_SESSION['counter'];
   $msg .= "in this session.";
?>

<html>
   
   <head>
      <title>Setting up a PHP session</title>
   </head>
   
   <body>
      <?php  echo ( $msg ); ?>
   </body>
   
</html>

examples of string

phpweb 

<html>
    
    <head>
        
        <body>
            
            <?php  
            
            $string1 = "Hello Jitesh";
            $string2 = "Malwande";
            
            echo $string1. " ". $string2;
            
            ?>
            
        </body>
    </head>
    
</html>

test

phpweb 

<?php

$user_name = "fees0_14446440";
$password = "********";
$database = "fees0_14446440_addressbook";
$server = "sql107.0fees.net";

mysql_connect("$server","$user_name","$password");

mysql_select_db("$database");

if (isset($_POST['submit'])) {
$name = $_POST['name'];
$address = $_POST['address'];

$order = mysql_query("INSERT INTO Trial (name, address) VALUES ('$name', '$address')");

if ($order) {
    echo '<br>Input data is successful';
} else {
    echo '<br>Input data is not valid';
}
}
?>

Quiz

phpweb 

<html>
   
   <head>
      <style>
         .error {color: #FF0000;}
      </style>
   </head>
   
   <body> 
      <?php
         // define variables and set to empty values
         $nameErr = $emailErr = $genderErr = $websiteErr = "";
         $name = $email = $gender = $class = $course = $subject = "";
         
         if ($_SERVER["REQUEST_METHOD"] == "POST") {
            if (empty($_POST["name"])) {
               $nameErr = "Name is required";
            }else {
               $name = test_input($_POST["name"]);
            }
            
            if (empty($_POST["email"])) {
               $emailErr = "Email is required";
            }else {
               $email = test_input($_POST["email"]);
               
               // check if e-mail address is well-formed
               if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
                  $emailErr = "Invalid email format"; 
               }
            }
            
            if (empty($_POST["course"])) {
               $course = "";
            }else {
               $course = test_input($_POST["course"]);
            }
            
            if (empty($_POST["class"])) {
               $class = "";
            }else {
               $class = test_input($_POST["class"]);
            }
            
            if (empty($_POST["gender"])) {
               $genderErr = "Gender is required";
            }else {
               $gender = test_input($_POST["gender"]);
            }
            
            if (empty($_POST["subject"])) {
               $subjectErr = "You must select 1 or more";
            }else {
               $subject = $_POST["subject"];	
            }
         }
         
         function test_input($data) {
            $data = trim($data);
            $data = stripslashes($data);
            $data = htmlspecialchars($data);
            return $data;
         }
      ?>
		
      <h2>Absolute classes registration</h2>
      
      <p><span class = "error">* required field.</span></p>
      
      <form method = "POST" action = "<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">
         <table>
            <tr>
               <td>Name:</td>
               <td><input type = "text" name = "name">
                  <span class = "error">* <?php echo $nameErr;?></span>
               </td>
            </tr>
            
            <tr>
               <td>E-mail: </td>
               <td><input type = "text" name = "email">
                  <span class = "error">* <?php echo $emailErr;?></span>
               </td>
            </tr>
            
            <tr>
               <td>Time:</td>
               <td> <input type = "text" name = "course">
                  <span class = "error"><?php echo $websiteErr;?></span>
               </td>
            </tr>
            
            <tr>
               <td>Classes:</td>
               <td> <textarea name = "class" rows = "5" cols = "40"></textarea></td>
            </tr>
            
            <tr>
               <td>Gender:</td>
               <td>
                  <input type = "radio" name = "gender" value = "female">Female
                  <input type = "radio" name = "gender" value = "male">Male
                  <span class = "error">* <?php echo $genderErr;?></span>
               </td>
            </tr>
            
            <tr>
               <td>Select:</td>
               <td>
                  <select name = "subject[]" size = "4" multiple>
                     <option value = "Android">Android</option>
                     <option value = "Java">Java</option>
                     <option value = "C#">C#</option>
                     <option value = "Data Base">Data Base</option>
                     <option value = "Hadoop">Hadoop</option>
                     <option value = "VB script">VB script</option>
                  </select>
               </td>
            </tr>
            
            <tr>
               <td>Agree</td>
               <td><input type = "checkbox" name = "checked" value = "1"></td>
               <?php if(!isset($_POST['checked'])){ ?>
               <span class = "error">* <?php echo "You must agree to terms";?></span>
               <?php } ?> 
            </tr>
            
            <tr>
               <td>
                  <input type = "submit" name = "submit" value = "Submit"> 
               </td>
            </tr>
            
         </table>
      </form>
      
      <?php
         echo "<h2>Your given values are as :</h2>";
         echo ("<p>Your name is $name</p>");
         echo ("<p> your email address is $email</p>");
         echo ("<p>Your class time at $course</p>");
         echo ("<p>your class info $class </p>");
         echo ("<p>your gender is $gender</p>");
         
         for($i = 0; $i < count($subject); $i++) {
            echo($subject[$i] . " ");
         }
      ?>
      
   </body>
</html>

Creating PHP Function

phpweb 

<html>
   
 
   <body>
      
      <?php
         /* Defining a PHP Function */
         function writeMessage() {
            echo "You are really a nice person, Have a nice time!";
         }
         
         
         function Hello(){
             echo "You are genius";
         }
         
         
         /* Calling a PHP Function */
         writeMessage();
         echo "<br>";
         Hello();
      ?>
      
   </body>
</html>

Display Images Randomly

phpweb 

<?php
   if( $_GET["name"] || $_GET["age"] ) {
      echo "Welcome ". $_GET['name']. "<br />";
      echo "You are ". $_GET['age']. " years old.";
      
      exit();
   }
?>
<html>
   <body>
   
      <form action = "<?php $_PHP_SELF ?>" method = "GET">
         Name: <input type = "text" name = "name" />
         Age: <input type = "text" name = "age" />
         <input type = "submit" />
      </form>
      
   </body>
</html>

string position

phpweb 

<?php
   echo strpos("Hello world!","r");
?>

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