php - Read value from database, echo -


very basic rookie struggling. echo doesnt show value, text. doing wrong?

connect.php:

<?php $connection = mysqli_connect('test.com.mysql', 'test_com_systems', 'systems'); if (!$connection){     die("database connection failed" . mysqli_error($connection)); } $select_db = mysqli_select_db($connection, 'swaut_com_systems'); if (!$select_db){     die("database selection failed" . mysqli_error($connection)); } ?>

get.php:

<?php     require('connect.php');         $query2 = "select systemid user username=test";         $result2 = mysqli_query($connection, $query2);      echo ( 'systemid: '.$result2);      ?>

assuming have connected database query incorrect. must wrap text values in quotes this

<?php     require('connect.php');     $query2 = "select systemid user username='test'";     $result2 = mysqli_query($connection, $query2);

now mysqli_query submits query database run , result set built. see result set need read result set database using 1 of fetch functions example

    $row = mysqli_fetch_assoc($result2);      echo 'systemid: ' . $row['systemid'];

if there more 1 rows in result set must in loop this

    while ($row = mysqli_fetch_assoc($result2)){         echo 'systemid: ' . $row['systemid'];     }

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