Free Programming Source Codes and Computer Programming Tutorials: Student Grading System in PHP and MySQL

Most of my career as programmer spend developing programs using PHP and MySQL. In this article I would like to share my program that I wrote a long time ago I called this program Student Grading System in PHP and MySQL. This program will compute and store the grades of the student in MySQL.

Feel free to use my code in your programming projects at school or work. If you have some questions please send me an email at jakerpomperada@gmail.com and jakerpomperada@yahoo.com.

People here in the Philippines can reach me at my mobile number 09173084360.

Thank you very much and Happy Programming.

Sample Program Output

Program Listing

grade.php

<?php

/* Student Grade System

Author : Jake R. Pomperada

Date : October 5, 2011 Wednesday

Tool : PHP/MySQL

// Block any possible error from the browser

error_reporting(0);

<?php

$name =$_REQUEST['name'];

$course = $_REQUEST['course'];

$sex = $_REQUEST['sex'];

$department = $_REQUEST['department'];

$subject =$_REQUEST['subject'];

$contact = $_REQUEST['contact'];

if (isset($_REQUEST['solve']))

{

$prelim = $_REQUEST['prelim'];

$midterm = $_REQUEST['midterm'];

$final = $_REQUEST['final'];

$solve1 = ($_REQUEST['prelim'] * 0.2);

$solve2 = ($_REQUEST['midterm'] * 0.3);

$solve3 = ($_REQUEST['final'] * 0.5);

$add = ($solve1 + $solve2 + $solve3);

$endterm = round($add);

if ($add >= 75)

{

$remarks = "PASSED";

}

else {

$remarks = "FAILED";

}

if (isset($_REQUEST['clear']))

{

$name = "";

$course = "";

$subject="";

$department = "";

$contact = "";

$prelim = "";

$midterm = "";

$final = "";

$endterm = "";

$remarks = "";

}

if (isset($_REQUEST['save']))

{

$name = strtoupper($_REQUEST['course']);

$course = strtoupper($_REQUEST['course']);

$deparment = strtoupper($_REQUEST['department']);

$sex = strtoupper($_REQUEST['sex']);

$contact = $_REQUEST['contact'];

$prelim = $_REQUEST['prelim'];

$midterm = $_REQUEST['midterm'];

$final = $_REQUEST['final'];

$endterm = $_REQUEST['endterm'];

$remarks = strtoupper($_REQUEST['remarks']);

//CONNECT TO DATABASE--------------------

$con = mysql_connect("localhost","root","");

if (!$con)

{

die('Could not connect: ' . mysql_error());

}

mysql_select_db("grade", $con);

* Specify the field names that are in the form. This is meant

* for security so that someone can't send whatever they want

* to the form.

$allowedFields = array(

'name',

'course',

'subject',

'department',

'contact',

'prelim',

'midterm',

'final',

'endterm',

'remarks'

);

// Specify the field names that you want to require...

$requiredFields = array(

'name',

'course',

'subject',

'department',

'contact',

'prelim',

'midterm',

'final'

);

$errors = array();

foreach($_POST AS $key => $value)

{

// first need to make sure this is an allowed field

if(in_array($key, $allowedFields))

{

$$key = $value;

// is this a required field?

if(in_array($key, $requiredFields) && $value == '')

{

$errors[] = "The field $key is required.";

}

// were there any errors?

if(count($errors) > 0)

{

$errorString = '<p>There was an error processing the form.</p>';

$errorString .= '<ul>';

foreach($errors as $error)

{

$errorString .= "<li>$error</li>";

}

$errorString .= '</ul>';

echo $errorString;

}

else {

$sql = "INSERT INTO info ";

$sql .= " (name,course,subject,department,gender,contact,prelim";

$sql .= " ,midterm,final,endterm,remarks)";

$sql .= "VALUES";

$sql .= "('$name', '$course', '$subject', '$department', '$sex'";

$sql .= " ,'$contact','$prelim','$midterm','$final','$endterm','$remarks')";

if(!$b=mysql_query($sql)){

echo mysql_error();

}

else {

echo "<center>";

echo "<h4> Record is Successfully added in the Database.</h4>";

echo "</center>";

}

<html>

<head>

h2 {

text-align:center;

color: white; /* text color is white */

background: green; /* Content, padding will be blue */

margin: 12px 12px 12px 30px;

padding: 12px 0px 12px 12px; /* Note 0px padding right */

list-style: none /* no glyphs before a list item */

/* No borders set */

}

</STYLE>

</head>

<body>

ABC College Student Grading System </marquee> </h2>

<br>

<TR>

<TD>Student Name</TD>

<TD>

<INPUT TYPE="TEXT" NAME="name" SIZE="30"MAXLENGTH=30

value="<?php echo $name; ?>">

<TD> Course</TD>

<TD>

<INPUT TYPE="TEXT" NAME="course" SIZE="33" MAXLENGTH=35

value="<?php echo $course; ?>">

</TD>

</TR>

<TR>

<TD>Prelim Grade</TD>

<TD><INPUT TYPE="TEXT" NAME="prelim" SIZE="1" MAXLENGTH=3

value="<?php echo $prelim; ?>">

</TD>

<TD>Subject</TD>

<TD>

<INPUT TYPE="TEXT" NAME="subject" SIZE="35" MAXLENGTH=35

value="<?php echo $subject; ?>">

</TD>

</TR>

<TR>

<TD>Midterm Grade</TD>

<TD><INPUT TYPE="TEXT" NAME="midterm" SIZE="1" MAXLENGTH=3

value="<?php echo $midterm; ?>">

</TD>

<TD>Department</TD>

<TD>

<INPUT TYPE="TEXT" NAME="department" SIZE="40" MAXLENGTH=40

value="<?php echo $department; ?>">

</TD>

</TR>

<TR>

<TD>Final Grade</TD>

<TD><INPUT TYPE="TEXT" NAME="final" SIZE="1" MAXLENGTH=3

value="<?php echo $final; ?>">

</TD>

<TD>Gender</TD>

<option>Female</option>

</select>

</td>

</tr>

<tr>

<TD>Endterm Grade</TD>

<TD><INPUT TYPE="TEXT" NAME="endterm" SIZE="1" MAXLENGTH=3

value="<?php echo $endterm; ?>" READONLY>

</TD>

<TD>Contact Number</TD>

<TD>

<INPUT TYPE="TEXT" NAME="contact" SIZE="15" MAXLENGTH=15

value="<?php echo $contact; ?>">

</TD>

</tr>

<tr>

<TD>Remarks</TD>

<TD>

<INPUT TYPE="TEXT" NAME="remarks" SIZE="10"

value="<?php echo $remarks; ?>" READONLY>

</TD>

</TR>

</TABLE>

</P>

</FORM>

</body>

</html>

grade.sql

-- phpMyAdmin SQL Dump

-- version 3.2.0.1

-- http://www.phpmyadmin.net

-- Host: localhost

-- Generation Time: Oct 05, 2011 at 12:11 PM

-- Server version: 5.1.36

-- PHP Version: 5.3.0

SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";

/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;

/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;

/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;

/*!40101 SET NAMES utf8 */;

-- Database: `grade`

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

-- Table structure for table `info`

CREATE TABLE IF NOT EXISTS `info` (

`name` varchar(100) NOT NULL,

`course` varchar(100) NOT NULL,

`subject` varchar(100) NOT NULL,

`department` varchar(100) NOT NULL,

`gender` varchar(100) NOT NULL,

`contact` int(15) NOT NULL,

`prelim` int(3) NOT NULL,

`midterm` int(3) NOT NULL,

`final` int(3) NOT NULL,

`endterm` int(3) NOT NULL,

`remarks` varchar(10) NOT NULL

) ENGINE=MyISAM DEFAULT CHARSET=latin1;

-- Dumping data for table `info`

INSERT INTO `info` (`name`, `course`, `subject`, `department`, `gender`, `contact`, `prelim`, `midterm`, `final`, `endterm`, `remarks`) VALUES

('Jake Pomperada', 'BS Computer Science', 'Pascal Programming', 'Commerce', 'MALE', 4335081, 78, 89, 95, 90, 'PASSED'),

('Ma. Junallie Fuentebella', 'BS Chemical Engineering', 'Chemistry 1', 'Engineering', 'FEMALE', 4335675, 89, 78, 100, 91, 'PASSED'),

('Ana Tan', 'BS Accountancy', 'Financial Management', 'Commerce', 'FEMALE', 7078423, 78, 78, 79, 79, 'PASSED'),

('Tita Swarding', 'Mass Communication', 'Basic Journalism', 'Arts and Sciences', 'FEMALE', 7546348, 87, 89, 94, 91, 'PASSED'),

('Vincent Qui', 'BS Business Management', 'Accouting 101', 'Commerce', 'MALE', 999237563, 74, 83, 84, 82, 'PASSED'),

('Boy Cruz', 'BS Mathematics', 'Calculus', 'Education', 'MALE', 4567812, 65, 72, 76, 73, 'FAILED'),

('Juan Tamad', 'BS Secondary Education', 'Physical Education', 'Education', 'MALE', 4235562, 73, 65, 71, 70, 'FAILED');

AnonymousMarch 13, 2022 at 12:09 PM

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Student Grading System in PHP and MySQL

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