Update MySQL using HTML Form and PHP

Update MySQL using HTML Form and PHP

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Update MySQL using HTML Form and PHP

This post  will show you how to create  a sample form to Update User Data in mySQL database Table  using PHP scripts

(1) 3 x PHP file will be created “infoEdit” “infoEditForm ” “infoUpdate”

(2) First PHP File-> infoEdit-> This PHP file will connect the Database, -> When Successful Connected it will Echo out the Number of User  available  in mySQL database  table to be Updated

(3) Second PHP File->infoEditForm -> This PHP File  will connect the Database -> Collect the User input via $_POST function in the HTML Form.

(4) Third  PHP File->infoUpdate -> This PHP File  will connect the Database -> Update the User Inputted data into mySQL database.

 

Prior to that you need to complete  the items listed Below

  1. Mamp or xampp with phpMyAdmin install into your Computer , check out here
  2.  A Sample Database created Check out Here
  3.  New User Created . Check out Here
  4. A New table created , check out Here
  5. Insert Data into the Table Here

Reference

 

 

The “infoEdit ” PHP File

 

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<?php
/*
 
*   File: infoEdit.php
*  
*
*=====================================
*/
 
$hostName  ="localhost";
$userName ="jane";
$userPassword ="jane";
$database ="janedb";
 
$dbConnectionStatus  = new mysqli($hostName, $userName, $userPassword,$database);
 
//Connection Error
if ($dbConnectionStatus->connect_error){    
 
         
     die("Connection failed: " . $dbConnectionStatus->connect_error);
 
}
// Connected to Database JaneDB
// Object oriented  -> pointing
if($dbConnectionStatus->query("SELECT DATABASE()")){
     
    $dbSuccess =true;
    //
    $result = $dbConnectionStatus->query("SELECT DATABASE()");
    $row = $result->fetch_row();
    printf("Default database is %s.\n", $row[0]);
    $result->close();
 
     
     
     
}
 
 
 
 
 
 
if ($dbSuccess) {
 
     
     
    $selectData = " SELECT * FROM testtable";
    // Send Select Query
   $selectData_Query = mysqli_query($dbConnectionStatus,$selectData );
     
 
     
     
    echo '<form action="infoEditForm.php" method="post">';
     
    echo '<select name="infoID">';
     
     
     
     
        echo '<option value="0" label="" selected="selected">..Select Name..</option>';
     
         
         
         
        if (mysqli_num_rows($selectData_Query)>0){
              // while there is still  data in row
                   // assign selected mySQL data into 'arrayData' array
              while($rows=mysqli_fetch_assoc($selectData_Query)){
                    
            
                   $ID = $rows['id'];
                   $companyName =$rows['companyname'];
                   $firstName =$rows['firstname'];
             
                 
                   
                    //Populate the Option
                   echo '<option value="'.$ID.'">'.$firstName.'</option>';
                    
                    
              }
         
        }
         
         
         
         
         
         
     
            echo '</select>';
     
 
            echo '<input type="submit" />';
             
    echo '</form>';
 
}
 
 
echo "<br /><hr /><br />";
 
 
echo '<a href="/">Back to LocalHost</a><br />';
 
 
 
 
 
 
 
 
?>

 

The “infoEditForm ” PHP File

 

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<?php
 
/*
 
*   File: infoEditForm.php
*  
*
*=====================================
*/
 
$hostName  ="localhost";
$userName ="jane";
$userPassword ="jane";
$database ="janedb";
 
$dbConnectionStatus  = new mysqli($hostName, $userName, $userPassword,$database);
 
//Connection Error
if ($dbConnectionStatus->connect_error){    
 
         
     die("Connection failed: " . $dbConnectionStatus->connect_error);
 
}
// Connected to Database JaneDB
// Object oriented  -> pointing
if($dbConnectionStatus->query("SELECT DATABASE()")){
     
    $dbSuccess =true;
    //
    $result = $dbConnectionStatus->query("SELECT DATABASE()");
    $row = $result->fetch_row();
    printf("Default database is %s.\n", $row[0]);
    $result->close();
 
     
     
     
}
 
 
 
if ($dbSuccess) {
 
        //  Get the details of the company selected
            $infoID = $_POST["infoID"];
 
       if($infoID ==0){
            
           // If nothing is selected
             
            header('Location:infoEdit.php');
             
        }
                 
         
             
            // Select Query base on Info Id
      $cname__select = "SELECT * FROM testtable WHERE id = $infoID";
         
         
            // Execute Query
             
       $cname__select_Query= mysqli_query($dbConnectionStatus,$cname__select);
        
            // While there is info in row
             
        while($rows=mysqli_fetch_assoc($cname__select_Query)){
                    
            
                       $Id = $rows['id'];
                       $firstName = $rows['firstname'];
                       $lastName = $rows['lastname'];
                       $emails = $rows['email'];
                       $companyName = $rows['companyname'];
                        
                
                    
                    
              }
               
             
         
             
             
             
                 
    }
 
    echo '<h2 style="font-family: arial, helvetica, sans-serif;" >
                User Information Update Form
            </h2>';
     
        //      FORM postInfo User
        echo '<form name="postCompany" action="infoUpdate.php" method="post">';
         
                echo '<input type="hidden" name="infoID" value="'.$Id.'"/>';
                echo '
                <table>
                    <tr>
                        <td>First Name</td>
                        <td><input type="text" name="firstName" value="'.$firstName.'"/></td>
                    </tr>
                    <tr>
                        <td>Last Name</td>
                        <td><input type="text" name="lastName" value="'.$lastName.'"/></td>
                    </tr>
                    <tr>
                        <td>Email</td>
                        <td><input type="text" name="emails" value="'.$emails.'"/></td>
                    </tr>
                    <tr>
                        <td>Company</td>
                        <td><input type="text" name="companyName" value="'.$companyName.'"/></td>
                    </tr>
                     
                 
                <tr>
                        <td></td>
                        <td align="right"><input type="submit"  value="Save" /></td>
                    </tr>
                     
                    </table>
                    ';
                     
        echo '</form>';
     
     
    echo "<br /><hr /><br />";
 
echo '<a href="infoEdit.php">Select a different company</a>';
echo "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";
echo '<a href="../index.php">Quit - to homepage</a>'
 
 
 
 
?>

 

The “infoUpdate ” PHP File

 

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<?php
 
 
$hostName  ="localhost";
$userName ="jane";
$userPassword ="jane";
$database ="janedb";
 
$dbConnectionStatus  = new mysqli($hostName, $userName, $userPassword,$database);
 
//Connection Error
if ($dbConnectionStatus->connect_error){    
 
         
     die("Connection failed: " . $dbConnectionStatus->connect_error);
 
}
// Connected to Database JaneDB
// Object oriented  -> pointing
if($dbConnectionStatus->query("SELECT DATABASE()")){
     
    $dbSuccess =true;
    //
    $result = $dbConnectionStatus->query("SELECT DATABASE()");
    $row = $result->fetch_row();
    printf("Default database is %s.\n", $row[0]);
    $result->close();
 
     
     
     
}
 
 
 
 
if ($dbSuccess) {
         
            //collect the data with $_POST
             
            $ID =  $_POST["infoID"];   
         
            $firstName = $_POST["firstName"];  
             
            $lastName = $_POST["lastName"];
            $companyName = $_POST["companyName"];  
            $emails = $_POST["emails"];
            $companyName = $_POST["companyName"];  
         
     
 
         
            // SQL Query
            $cname__select = "UPDATE testtable SET firstname = '$firstName' , lastname= '$lastName' , email ='$emails' ,companyname ='$companyName' WHERE id = $ID ";
             
             
            //Execute Query
            $cname__select_Query= mysqli_query($dbConnectionStatus,$cname__select);
             
             
             
            if (empty($firstName)) {
                 
                echo '<span style="color:red; ">You Must Select First Name</span><br /><br />';
                 
             
            }
             
            else{
             
            if ($cname__select_Query)  {   
                        echo 'used to Successfully update Info.<br /><br />';
                    } else {
                        echo '<span style="color:red; ">FAILED to update Info.</span><br /><br />';
                         
                    }  
         
         
            }
         
 
}
 
echo "<br /><hr /><br />";
 
echo '<a href="infoEdit.php">Update another User</a>';
echo "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";
echo '<a href="/">Back to LocalHost</a><br />';
 
?>

 

 

 

 

The “infoEditForm ” PHP File

infoEditForm
infoEditForm

 

 

The “infoUpdate ” PHP File

 

mySQL

 

 

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