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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
create table products (
id int,
name varchar(64)
);
insert into products values (1, 'Pr 1');
insert into products values (2, 'Pr 2');
create table product_reviews (
id int,
product_id int,
star_rating int
);
insert into product_reviews values (1, 1, 3);
insert into product_reviews values (2, 4, 3);
<?php
// Select using Laravel
$products = $db::table('products')
->leftJoin('product_reviews', 'product_reviews.product_id', '=', 'products.id')
->select(
'products.id',
$db::raw("IF(SUM(product_reviews.star_rating) != 0, SUM(product_reviews.star_rating) / COUNT(product_reviews.id), 0) AS rate")
)
->groupBy('products.id')
->havingBetween('rate', [4, 5])
->get();
echo($products);