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imJigneshimJignesh
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‎.gitignore

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.DS_Store

‎1/config.php

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<?php
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$dbhost = "localhost";
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$dbuser = "root";
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$dbpass = "root";
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$dbname = "test_db";
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//Connect to MySQL Server
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$con = mysqli_connect($dbhost, $dbuser, $dbpass,$dbname);
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// if(!$con)
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// echo "Connection Error.";
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// else
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// echo "Database Connection Successfully.";
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// $con -> close();

‎1/index.php

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<?php
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require_once "config.php";
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$sql = "select * from subjects";
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$subjects = mysqli_query($con,$sql);
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$sql = "select distinct locality from students";
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$localities = mysqli_query($con,$sql);
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// print_r( mysqli_fetch_re $localities);
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if(isset($_POST['submit'])){
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$keyword = $_POST['keyword'];
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$locality = $_POST['locality'];
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$subject= implode(",",$_POST['subject']);
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$sql = "select * from students where name like '%$keyword%'";
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if($locality) $sql .= " and locality = '$locality'";
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if($subject) $sql .= " and id in( SELECT student_id FROM `student_subject` WHERE subject_id in ($subject))";
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$query = mysqli_query($con,$sql);
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}
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function get_subject($con,$student_id){
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$sql = "SELECT name FROM `subjects` WHERE id in ( select `subject_id` from `student_subject` where `student_id` = $student_id )";
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$list = mysqli_query($con,$sql);
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while( $subject = $list->fetch_row() ){
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echo $subject[0] ."<br/>";
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}
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}
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?>
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<center>
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<a href="index.php"> Search</a> | <a href="students.php"> Add Student</a> | <a href="subjects.php"> Add Subject</a>
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</center>
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<h1>Search Students</h1>
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<form action="" method="post">
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Search Keyword: <input type="text" name="keyword" /> Locality: <select name="locality" id="">
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<option value ="" >Select </option>
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<?php
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while( $subject = $localities->fetch_row() ){
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?>
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<option value ="<?php echo $subject[0] ; ?>" > <?php echo $subject[0]; ?></option>
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<?php
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}
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?>
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</select> Subjects :
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<?php
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foreach($subjects as $subject){
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?>
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<label><input type="checkbox" name="subject[]" value ="<?php echo $subject['id'] ; ?>" /> <?php echo $subject['name'] ; ?></label>
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<?php
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}
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?>
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<input type="submit" name="submit" value="Search">
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</form>
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<?php if(mysqli_num_rows($query)){ ?>
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<table border="1">
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<thead>
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<tr>
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<th>Photo</th>
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<th>Name</th>
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<th>Roll No</th>
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<th>Locality</th>
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<th>Subject</th>
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</tr>
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</thead>
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<?php
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while( $students = $query->fetch_row() ){
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?>
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<tr>
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<td><?php echo $students[4]?"<img width='50' height='50' src='$students[4]' />":""; ?></td>
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<td><?php echo $students[1]; ?></td>
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<td><?php echo $students[2]; ?></td>
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<td><?php echo $students[3]; ?></td>
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<td><?php get_subject($con,$students[0]); ?></td>
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</tr>
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<?php
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}
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?>
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</table>
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<?php } ?>

‎1/readme.md

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# Super basic mysql connectivity
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We'll learn php my sql connectiveity wrong way in this step. Just because it is easy to understand, we'll forget all the coding standards and vulnerabilities for sake of creating simplified code.
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## Files:
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**config.php**
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Holds all the global variables and database connections
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**index.php**
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Search page with a seach form
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**students.php**
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Student addition form
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**subjects.php**
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subject addtition form

‎1/students.php

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<?php
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require_once "config.php";
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if(isset($_POST['submit'])){
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$name = $_POST['name'];
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$rollno = $_POST['rollno'];
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$locality = $_POST['locality'];
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$subjects = $_POST['subject'];
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$image = '';
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// print_r($subject);exit;
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$target_dir = "uploads/";
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$target_file = $target_dir . $_FILES["image"]["name"];
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$tempname = $_FILES["image"]["tmp_name"];
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if (move_uploaded_file($tempname, $target_file)) {
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$image = $target_file;
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}
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$sql = "insert into students( `name` ,`rollno`,`locality`,`image` ) values ('$name','$rollno','$locality','$image')";
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mysqli_query($con,$sql);
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$student_id = $con->insert_id;
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foreach($subjects as $subject){
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$sql = "insert into student_subject( `student_id`,`subject_id`) values ('$student_id','$subject')";
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mysqli_query($con,$sql);
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}
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}
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$sql = "select * from subjects";
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$subjects = mysqli_query($con,$sql);
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?>
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<center>
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<a href="index.php"> Search</a> | <a href="students.php"> Add Student</a> | <a href="subjects.php"> Add Subject</a>
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</center>
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<h1>Add Students</h1>
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<form action="" method="post" enctype="multipart/form-data">
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<label>Name: </label><input type="text" name="name"/><br/>
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<label>Roll No: </label><input type="number" name="rollno" /><br/>
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<label>Locality: </label><input type="text" name="locality" /><br/>
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<label>Image: </label><input type="file" name="image"/><br/>
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<label>Subjects: </label>
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<?php
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foreach($subjects as $subject){
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?>
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<label><input type="checkbox" name="subject[]" value ="<?php echo $subject['id'] ; ?>" /> <?php echo $subject['name'] ; ?></label>
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<?php
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}
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?>
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<br/>
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<input type="submit" name="submit" />
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</form>

‎1/subjects.php

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<?php
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require_once "config.php";
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if(isset($_POST['submit'])){
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$name = $_POST['name'];
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$marks = $_POST['marks'];
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$image = '';
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$target_dir = "uploads/";
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$target_file = $target_dir . $_FILES["image"]["name"];
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$tempname = $_FILES["image"]["tmp_name"];
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if (move_uploaded_file($tempname, $target_file)) {
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$image = $target_file;
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}
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$sql = "insert into subjects( `name` ,`marks`,`image` ) values ('$name','$marks','$image')";
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mysqli_query($con,$sql);
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}
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?>
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<center>
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<a href="index.php"> Search</a> | <a href="students.php"> Add Student</a> | <a href="subjects.php"> Add Subject</a>
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</center>
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<h1>Add Subjects</h1>
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<form action="" method="post" enctype="multipart/form-data">
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<label>Name: </label><input type="text" name="name"/><br/>
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<label>Marks: </label><input type="number" name="marks" /><br/>
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<label>Image: </label><input type="file" name="image"/><br/>
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<input type="submit" name="submit" />
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</form>

‎1/uploads/French Tacos & Burgers Nesttun2832.jpg

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‎2/config.php

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<?php
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$dbhost = "localhost";
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$dbuser = "root";
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$dbpass = "root";
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$dbname = "test_db";
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//Connect to MySQL Server
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$con = mysqli_connect($dbhost, $dbuser, $dbpass,$dbname);
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include "functions.php";
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