get_all_categories.php

<?php

/*
 * Following code will list all the categories
 */

// array for JSON response
$response = array();


// include db connect class
require_once __DIR__ . '/db_connect.php';

// connecting to db
$con = new DB_CONNECT();
$con->connect();

// get all categories from categories table
$result = mysqli_query($con->myconn, "SELECT * FROM categories") or die(mysql_error());


// check for empty result
if (mysqli_num_rows($result) > 0) {
    // looping through all results
    // categories node
    $response["categories"] = array();
    
    while ($row = mysqli_fetch_array($result)) {
        // temp user array
        $categorie = array();
        $categorie["id"] = $row["id"];
        $categorie["name_cat"] = $row["name_cat"];
        $categorie["image_cat"] = $row["image_cat"];
    
        array_push($response["categories"], $categorie);
    }
    // success
    $response["success"] = 1;

    // echoing JSON response
    echo json_encode($response);
} else {
    // no categories found
    $response["success"] = 0;
    $response["message"] = "No categories found";

    // echo no categories JSON
    echo json_encode($response);
}
?>