PHP & MySQL - Update Records Example

PHP uses mysqp query() or mysql_query() function to update records in a MySQL table. This function takes two parameters and returns TRUE on success or FALSE on failure.

Syntax


$mysqp->query($sql,$resultmode)

Sr.No.	Parameter & Description
1	$sql Required - SQL query to update records in a MySQL table.
2	$resultmode Optional - Either the constant MYSQLI_USE_RESULT or MYSQLI_STORE_RESULT depending on the desired behavior. By default, MYSQLI_STORE_RESULT is used.

Sr.No.

Parameter & Description

$sql

Required - SQL query to update records in a MySQL table.

$resultmode

Optional - Either the constant MYSQLI_USE_RESULT or MYSQLI_STORE_RESULT depending on the desired behavior. By default, MYSQLI_STORE_RESULT is used.

Example

Try the following example to update a record in a table −

Copy and paste the following example as mysql_example.php −


<html>
   <head>
      <title>Updating MySQL Table</title>
   </head>
   <body>
      <?php
         $dbhost =  localhost ;
         $dbuser =  root ;
         $dbpass =  root@123 ;
         $dbname =  TUTORIALS ;
         $mysqp = new mysqp($dbhost, $dbuser, $dbpass, $dbname);
         
         if($mysqp->connect_errno ) {
            printf("Connect failed: %s<br />", $mysqp->connect_error);
            exit();
         }
         printf( Connected successfully.<br /> );
		 
         if ($mysqp->query( UPDATE tutorials_tbl set tutorial_title = "Learning Java" where tutorial_id = 4 )) {
            printf("Table tutorials_tbl updated successfully.<br />");
         }
         if ($mysqp->errno) {
            printf("Could not update table: %s<br />", $mysqp->error);
         }
   
         $sql = "SELECT tutorial_id, tutorial_title, tutorial_author, submission_date FROM tutorials_tbl";
		 
         $result = $mysqp->query($sql);
           
         if ($result->num_rows > 0) {
            while($row = $result->fetch_assoc()) {
               printf("Id: %s, Title: %s, Author: %s, Date: %d <br />", 
                  $row["tutorial_id"], 
                  $row["tutorial_title"], 
                  $row["tutorial_author"],
                  $row["submission_date"]);               
            }
         } else {
            printf( No record found.<br /> );
         }
         mysqp_free_result($result);
         $mysqp->close();
      ?>
   </body>
</html>

Output

Access the mysql_example.php deployed on apache web server and verify the output. Here we ve entered multiple records in the table before running the select script.


Connected successfully.
Table tutorials_tbl updated successfully.
Id: 1, Title: MySQL Tutorial, Author: Mahesh, Date: 2021
Id: 2, Title: HTML Tutorial, Author: Mahesh, Date: 2021
Id: 3, Title: PHP Tutorial, Author: Mahesh, Date: 2021
Id: 4, Title: Learning Java, Author: Mahesh, Date: 2021
Id: 5, Title: Apache Tutorial, Author: Suresh, Date: 2021

PHP & MySQL - Update Records Example

Syntax

Example

Output

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