3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = '{"foo":[1,2,3]}'; $obj = json_decode($json); $arr = json_decode($json, true); var_dump($obj, $arr, $arr['foo'][0]);
Output for 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
object(stdClass)#1 (1) { ["foo"]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } } array(1) { ["foo"]=> array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } } int(1)

preferences:
101.27 ms | 1841 KiB | 4 Q