Online PHP editor | output for GTgmr

<?php $json='[{"from":"2019-07-22 09:00:00","to":"2019-07-22 11:00:00","rendering":"background","resource":"3529","backgroundColor":"#660000","purpose":"Close"},{"from":"2019-07-22 07:00:00","to":"2019-07-22 08:00:00","rendering":"background","resource":"3529","backgroundColor":"#660000","purpose":"Close"},{"from":"2019-07-22 07:00:00","to":"2019-07-22 08:00:00","rendering":"background","resource":"3529","backgroundColor":"#660000","purpose":"Open"},{"from":"2019-07-22 20:00:00","to":"2019-07-22 22:00:00","rendering":"background","resource":"3529","backgroundColor":"#660000","purpose":"Open"},{"from":"2019-07-22 11:00:00","to":"2019-07-22 17:00:00","rendering":"background","resource":"3529","backgroundColor":"#660000","purpose":"Open"},{"from":"2019-07-22 20:00:00","to":"2019-07-22 22:00:00","rendering":"background","resource":"3529","backgroundColor":"#660000","purpose":"Close"},{"from":"2019-07-22 07:00:00","to":"2019-07-22 15:00:00","rendering":"background","resource":"3529","backgroundColor":"#660000","purpose":"Close"}]'; //var_export(json_decode($json, true)); foreach (json_decode($json, true) as $i => $entry) { if (!$i) { $result[] = $entry; } else { foreach ($result as $stored) { if (($entry['from'] >= $stored['from'] && $entry['from'] < $stored['to']) || ($entry['to'] > $stored['from'] && $entry['to'] <= $stored['to'])) { continue 2; } } $result[] = $entry; } } var_export($result);