wiki:Docs/825gen2/Dev/Networking/PHP

Version 4 (modified by Don Wilson, 13 months ago) ( diff )

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PHP

The 825gen2 includes PHP which combined with the Apache Web Server allows for powerful web features. 

root@imx8mq-var-dart:~# php -v
PHP 8.1.10 (cli) (built: Aug 30 2022 16:09:36) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.1.10, Copyright (c) Zend Technologies

Accessing MySQL database from php:

Make sure MySQL is configured first. Refer to MySQL page MySQL (MariaDB)

Create a simple test php file to read from the database 

cd /usr/share/apache2/default-site/htdocs
nano readmysql.php

<!DOCTYPE html>
<html lang="en">
<head>
  <title>825 MySQL Test</title>
</head>
<body>

<?php
$conn = mysqli_connect('127.0.0.1', 'dbuser', '81440', 'test');
if(!$conn) {
   echo 'Connection error: ' . mysqli_connect_error();
} else {
   $sql = 'select * from test_tbl;';
   $result = $conn->query($sql);
   if($result->num_rows > 0) {
      echo '<table><tr><th>Title</th><th>Description</th></tr>';
      while($row = $result->fetch_assoc()) {
          $title = $row['title'];
          $description = $row['description'];
          echo '<tr><td>' . $title . '</td><td>' . $description . '</td></tr>';
      }
      echo '</table>';
   }
}
?>

</body>
</html>

Test with PC on same network as 825.

It may also be helpful to use browser "Developer tools" selection to view the generated html code.

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