<?php
$json = '{"rows":[{"c":[{"v":"Date(1409052482000)"},{"v":22},{"v":22},{"v":22},{"v":null}]},
{"c":[{"v":"Date(1409052614000)"},{"v":22},{"v":22},{"v":22},{"v":null}]},
{"c":[{"v":"Date(1409052782000)"},{"v":22},{"v":22},{"v":22},{"v":null}]}
]}';
$value = json_decode($json, true);
unset($value[0]);
$newvalue = array_values((array)$value);
echo json_encode($newvalue);
preferences:
39.17 ms | 402 KiB | 5 Q