3v4l.org

run code in 500+ PHP versions simultaneously
<?php foreach([ 'null', 'true', 'false', '"text"', '123', '1E2', '[1,2,3]', '{"foo":"bar"}', ] as $json) { var_dump(json_decode($json, true)); assert(json_last_error() === JSON_ERROR_NONE); }
Output for 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
NULL bool(true) bool(false) string(4) "text" int(123) float(100) array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(1) { ["foo"]=> string(3) "bar" }
preferences:
43.89 ms | 1486 KiB | 4 Q