Differences

This shows you the differences between two versions of the page.

--- classes:general:dbsamples:php_mysql [2017/01/19 20:51] – created localadmin
+++ classes:general:dbsamples:php_mysql [2017/03/21 06:23] (current) – localadmin
@@ Line 1: / Line 1: @@
-====== PHP example for Postgres database connection ======
+====== PHP example for MySQL database connection ======
+<code>
+<head>
+</head>
+<body>
+<?php
+    // Make a connection to the database
+    // the values here MUST BE CHANGED to match the database and credentials you wish to use
+    $mysqli = new mysqli("localhost", "user", "password", "database");
+    if ($mysqli->connect_errno)
+    {
+      echo "Failed to connect to MySQL: (" . $mysqli->connect_errno . ") " . $mysqli->connect_error;
+    }
+    // Define the SQL query, replace table name and column names as necessary
+    $sql = "SELECT * FROM table WHERE id > 1";
+    // Execute the query
+    $result = $mysqli->query($sql);
+    // If the $result variable is not defined, there was an error in the query
+    if !($result)
+    {
+      echo "Query execution failed: (" . $mysqli->errno . ") " . $mysqli->error;
+    }
+    // Iterate through each row of the result
+    while($row = $result->fetch_array())
+    {
+      // Write HTML to the page, replace this with whatever you wish to do with the data
+      echo $row[0]."<br/>\n";
+    }
+    // Free result set
+    $result->close();
+    // close connection
+    $mysqli->close();
+?>
+</body>
+</html>
+</code>