How can I use json response from php in jquery? - php

Question

I'm trying to do a website. I need to get all the reviews in the database. My initial guess was to use php like this:
function get_all_reviews(){
$db = dbConnection();
$db -> setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$query = "SELECT Nome, Title, reviews.Review, users.Email FROM `users` JOIN `reviews` WHERE users.Email = reviews.Email; ";
$statement = $db -> prepare($query);
$statement->execute();
$result = $statement->fetchAll();
foreach ($result as $row) {
$name = $row["Nome"];
$title = $row["Title"];
$review = $row["Review"];
$email = $row["Email"];
?>
<div class="box" id="<?= $email ?>">
<div class="nome"><?= $name ?> dice:</div>
<div class="titolo"><?= $title ?> </div>
<div class="recensione"><?= $review ?> </div>
<button class="admin_bottom">X</button>
</div>
<?php
}
But since it's a project for the university, I need to not use it (it's mandatory). I need to send the request with jquery, then with php I should send the response with json, but I don't get how to recall the reviews and list them.
I try with this with php:
function gett_all_reviews(){
$db = dbConnection();
$db -> setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$query = "SELECT Nome, Title, reviews.Review, users.Email FROM `users` JOIN `reviews` WHERE users.Email = reviews.Email; ";
$statement = $db -> prepare($query);
$statement->execute();
$result = $statement->fetchAll();
$resultSet = '{ ';
foreach ($result as $row) {
$resultSet .= '{"name": "'.$row["Nome"].'",';
$resultSet .= '"title": "'.$row["Title"].'",';
$resultSet .= '"review": "'.$row["Review"].'",';
$resultSet .= '"email": "'.$row["Email"].'"},';
}
$resultSet .= '}';
$db = null;
return $resultSet;
}
$s = get_all_reviews();
echo $s;
and with jquery:
$.getJSON( "../php/get_reviews.php", function( json ) {
for (let index = 0; index < json.length; index++) {
$("#conteiner_reviews").append(
"<div class=\"box\" id= \""+ json[index].email+ "\">"+
"<div class=\"nome\">"+json[index].name +" dice:</div>" +
"<div class=\"titolo\"><"+json[index].title+"</div>"+
"<div class=\"recensione\">"+json[index].review +"</div></div>");
}
});
But doesn't work.

Answer 1

function gett_all_reviews(){
$db = dbConnection();
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$query = "SELECT Nome as name, Title as title, reviews.Review as review, users.Email as email FROM `users` JOIN `reviews` WHERE users.Email = reviews.Email; ";
$statement = $db -> prepare($query);
$statement->execute();
$result = $statement->fetchAll();
$db = null;
return $result;
}
echo json_encode(get_all_reviews());
$.getJSON('../php/get_reviews.php', function (data) {
$.each(data, function (item) {
$('#conteiner_reviews').append(
'<div class="box" id="' + item.email+ '">' +
'<div class="nome">' + item.name + 'dice:</div>' +
'<div class="titolo">' + item.title + '</div>' +
'<div class="recensione">' + item.review + '</div>'
);
});
});