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<?php $data = <<<DATA [ { "user_id": "7", "field": "1", "value": "45" }, { "user_id": "10", "field": "1", "value": "53" }, { "user_id": "7", "field": "2", "value": "40" }, { "user_id": "10", "field": "2", "value": "45" }, { "user_id": "7", "field": "3", "value": "65" }, { "user_id": "10", "field": "3", "value": "69" }, { "user_id": "7", "field": "4", "value": "14" }, { "user_id": "10", "field": "4", "value": "13" } ] DATA; $arrays = json_decode($data, true); $results = []; foreach ($arrays as $value) { $results[$value['user_id']][] = $value['value']; } echo "<table>"; foreach ($results as $key => $result) { echo "<tr><td>$key</td>"; foreach ($result as $col) { echo "<td>$col</td>"; } echo "</tr>"; } echo "</table>";
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
<table><tr><td>7</td><td>45</td><td>40</td><td>65</td><td>14</td></tr><tr><td>10</td><td>53</td><td>45</td><td>69</td><td>13</td></tr></table>

preferences:
161.65 ms | 408 KiB | 5 Q