Mini Shell

<?php

include '../db/database.php';

$sql = "SELECT * FROM teacher AS t1 LEFT JOIN title_name AS t2 ON (t1.titleID = t2.titleID) LEFT JOIN type_personnel AS t3 ON (t1.typeID = t3.typeID) LEFT JOIN tbl_type AS t4 ON (t1.position = t4.type_id) LEFT JOIN tbl_sub_type AS t5 ON (t1.positionManage = t5.sub_type_id) WHERE status_user = 1 or status_user = 2 or status_user = 3 ";

$result = mysqli_query($link, $sql);

$teacherArray = array();
while ($row = mysqli_fetch_assoc($result)) {
    $teacherArray[] = $row;
}
echo json_encode($teacherArray);