<?php // these are subarrays containing 1 element each $json = '[{"rate":3},{"rate":4},{"rate":3},{"rate":5}]'; // decode it to an array $array = json_decode($json, true); // extract the "rate" column values from each subarray and sum them echo array_sum(array_column($array, 'rate'));
You have javascript disabled. You will not be able to edit any code.
Value for `_results` contains invalid data `array`