PHP - OOP CRUD Operation

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Getting Started

Please take note that CSS and jQuery used in this tutorial are hosted so you need internet connection for them to work.

Creating our Database

First step is to create our database.
1. Open phpMyAdmin.
2. Click databases, create a database and name it as crud_oop.
3. After creating a database, click the SQL and paste the below codes. See image below for detailed instruction.

  1. CREATE TABLE `member` (
  2. `memberid` INT(11) NOT NULL AUTO_INCREMENT,
  3. `firstname` VARCHAR(50) NOT NULL,
  4. `lastname` VARCHAR(50) NOT NULL,
  5. PRIMARY KEY(`memberid`)
  6. ) ENGINE=InnoDB DEFAULT CHARSET=latin1;

crudoop

Creating our Connection

Next, we create our connection to our database. This will serve as the bridge between our forms and database. We name this as conn.php.

  1. <?php
  2.  
  3. $conn = new mysqli("localhost", "root", "", "crud_oop");
  4.  
  5. if ($conn->connect_error) {
  6. die("Connection failed: " . $conn->connect_error);
  7. }
  8.  
  9. ?>

index.php

Our index that contains our sample table.

  1. <?php
  2. include('conn.php');
  3. ?>
  4. <!DOCTYPE html>
  5. <html>
  6. <head>
  7. <title>PHP - OOP CRUD Operation</title>
  8. <script src="<a href="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
  9. " rel="nofollow">https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></scri...</a> <link rel="stylesheet" href="<a href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"" rel="nofollow">https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"</a> />
  10. <script src="<a href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
  11. </head>
  12. <body>
  13. <div" rel="nofollow">https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></s...</a> class="container">
  14. <div style="height:50px;"></div>
  15. <div class="well" style="margin-left:auto; margin-right:auto; padding:auto; width:70%;">
  16. <span style="font-size:25px; color:blue"><strong>PHP - OOP CRUD Operation</strong></span>
  17. <span class="pull-right"><a href="#addnew" data-toggle="modal" class="btn btn-primary"><span class="glyphicon glyphicon-plus"></span> Add New</a></span>
  18. <div style="height:15px;"></div>
  19. <table class="table table-striped table-bordered table-hover">
  20. <thead>
  21. <th>Firstname</th>
  22. <th>Lastname</th>
  23. <th>Action</th>
  24. </thead>
  25. <tbody>
  26. <?php
  27. $query=$conn->query("select * from `member`");
  28. while($row=$query->fetch_array()){
  29. ?>
  30. <tr>
  31. <td><?php echo $row['firstname']; ?></td>
  32. <td><?php echo $row['lastname']; ?></td>
  33. <td>
  34. <a href="#edit<?php echo $row['memberid']; ?>" data-toggle="modal" class="btn btn-warning"><span class="glyphicon glyphicon-edit"></span> Edit</a> ||
  35. <a href="#del<?php echo $row['memberid']; ?>" data-toggle="modal" class="btn btn-danger"><span class="glyphicon glyphicon-trash"></span> Delete</a>
  36. <?php include('button.php'); ?>
  37. </td>
  38. </tr>
  39. <?php
  40. }
  41.  
  42. ?>
  43. </tbody>
  44. </table>
  45. <?php
  46. if(isset($_SESSION['msg'])){
  47. ?>
  48. <div class="alert alert-success">
  49. <center><?php echo $_SESSION['msg']; ?></center>
  50. </div>
  51. <?php
  52. unset($_SESSION['msg']);
  53. }
  54. ?>
  55. </div>
  56. <?php include('add_modal.php'); ?>
  57. </div>
  58. </body>
  59. </html>

add_modal.php

This is our modal for our add function.

  1. <!-- Add New -->
  2. <div class="modal fade" id="addnew" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
  3. <div class="modal-dialog">
  4. <div class="modal-content">
  5. <div class="modal-header">
  6. <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
  7. <center><h4 class="modal-title" id="myModalLabel">Add New Member</h4></center>
  8. </div>
  9. <div class="modal-body">
  10. <div class="container-fluid">
  11. <form method="POST" action="addnew.php">
  12. <div class="row">
  13. <div class="col-md-2">
  14. <label class="control-label" style="position:relative; top:7px;">Firstname:</label>
  15. </div>
  16. <div class="col-md-10">
  17. <input type="text" class="form-control" name="firstname">
  18. </div>
  19. </div>
  20. <div style="height:10px;"></div>
  21. <div class="row">
  22. <div class="col-md-2">
  23. <label class="control-label" style="position:relative; top:7px;">Lastname:</label>
  24. </div>
  25. <div class="col-md-10">
  26. <input type="text" class="form-control" name="lastname">
  27. </div>
  28. </div>
  29. <div style="height:10px;"></div>
  30. </div>
  31. </div>
  32. <div class="modal-footer">
  33. <button type="button" class="btn btn-default" data-dismiss="modal"><span class="glyphicon glyphicon-remove"></span> Cancel</button>
  34. <button type="submit" class="btn btn-primary"><span class="glyphicon glyphicon-floppy-disk"></span> Save</a>
  35. </form>
  36. </div>
  37.  
  38. </div>
  39. </div>
  40. </div>

addnew.php

This is our add code.

  1. <?php
  2. include('conn.php');
  3.  
  4. $firstname=$_POST['firstname'];
  5. $lastname=$_POST['lastname'];
  6.  
  7. $conn->query("insert into member (firstname, lastname) values ('$firstname', '$lastname')");
  8. $_SESSION['msg']="Member Added Succesfully";
  9. header('location:index.php');
  10.  
  11. ?>

button.php

This contains our edit and delete modal.

  1. <!-- Delete -->
  2. <div class="modal fade" id="del<?php echo $row['memberid']; ?>" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
  3. <div class="modal-dialog">
  4. <div class="modal-content">
  5. <div class="modal-header">
  6. <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
  7. <center><h4 class="modal-title" id="myModalLabel">Delete Member</h4></center>
  8. </div>
  9. <div class="modal-body">
  10. <?php
  11. $del=mysqli_query($conn,"select * from member where memberid='".$row['memberid']."'");
  12. $drow=mysqli_fetch_array($del);
  13. ?>
  14. <div class="container-fluid">
  15. <h5><center>Firstname: <strong><?php echo $drow['firstname']; ?></strong></center></h5>
  16. </div>
  17. </div>
  18. <div class="modal-footer">
  19. <button type="button" class="btn btn-default" data-dismiss="modal"><span class="glyphicon glyphicon-remove"></span> Cancel</button>
  20. <a href="delete.php?id=<?php echo $row['memberid']; ?>" class="btn btn-danger"><span class="glyphicon glyphicon-trash"></span> Delete</a>
  21. </div>
  22.  
  23. </div>
  24. </div>
  25. </div>
  26. <!-- /.modal -->
  27.  
  28. <!-- Edit -->
  29. <div class="modal fade" id="edit<?php echo $row['memberid']; ?>" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
  30. <div class="modal-dialog">
  31. <div class="modal-content">
  32. <div class="modal-header">
  33. <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
  34. <center><h4 class="modal-title" id="myModalLabel">Edit Member</h4></center>
  35. </div>
  36. <div class="modal-body">
  37. <?php
  38. $edit=$conn->query("select * from member where memberid='".$row['memberid']."'");
  39. $erow=$edit->fetch_array();
  40. ?>
  41. <div class="container-fluid">
  42. <form method="POST" action="edit.php?id=<?php echo $erow['memberid']; ?>">
  43. <div class="row">
  44. <div class="col-md-2">
  45. <label style="position:relative; top:7px;">Firstname:</label>
  46. </div>
  47. <div class="col-md-10">
  48. <input type="text" name="firstname" class="form-control" value="<?php echo $erow['firstname']; ?>">
  49. </div>
  50. </div>
  51. <div style="height:10px;"></div>
  52. <div class="row">
  53. <div class="col-md-2">
  54. <label style="position:relative; top:7px;">Lastname:</label>
  55. </div>
  56. <div class="col-md-10">
  57. <input type="text" name="lastname" class="form-control" value="<?php echo $erow['lastname']; ?>">
  58. </div>
  59. </div>
  60. </div>
  61. </div>
  62. <div class="modal-footer">
  63. <button type="button" class="btn btn-default" data-dismiss="modal"><span class="glyphicon glyphicon-remove"></span> Cancel</button>
  64. <button type="submit" class="btn btn-warning"><span class="glyphicon glyphicon-check"></span> Save</button>
  65. </div>
  66. </form>
  67. </div>
  68. </div>
  69. </div>
  70. <!-- /.modal -->

edit.php

Our update code.

  1. <?php
  2. include('conn.php');
  3.  
  4. $id=$_GET['id'];
  5. $firstname=$_POST['firstname'];
  6. $lastname=$_POST['lastname'];
  7.  
  8. $conn->query("update member set firstname='$firstname', lastname='$lastname' where memberid='$id'");
  9. $_SESSION['msg']="Member Updated Succesfully";
  10. header('location:index.php');
  11.  
  12. ?>

delete.php

Lastly, this is our delete code.

  1. <?php
  2. include('conn.php');
  3.  
  4. $id=$_GET['id'];
  5.  
  6. $conn->query("delete from member where memberid='$id'");
  7. $_SESSION['msg']="Member Deleted Succesfully";
  8. header('location:index.php');
  9. ?>

That ends this tutorial. If you any question, suggestion or comment, feel free to write it below or message me. Happy Coding :)


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Comments

Gracias maje por todo se te agradecer sigue asi

why is my table only showing the first row?

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