3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = json_encode(['crappy-json' => 'yay']); var_dump(json_decode($test)); var_dump(json_decode($test, true));;
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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 - 8.1.34, 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) { ["crappy-json"]=> string(3) "yay" } array(1) { ["crappy-json"]=> string(3) "yay" }

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100.24 ms | 1800 KiB | 4 Q