3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = '{"object":{},"array":[]}'; $decodedStd = json_decode($json); $decodedArr = json_decode($json, true); $encodedStd = json_encode($decodedStd); $encodedArr = json_encode($decodedArr); var_dump($encodedStd); var_dump($encodedArr); var_dump($json === $encodedStd); var_dump($json === $encodedArr);
Output for 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
string(24) "{"object":{},"array":[]}" string(24) "{"object":[],"array":[]}" bool(true) bool(false)
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(24) "{"object":{},"array":[]}" string(24) "{"object":[],"array":[]}" bool(true) bool(false)
preferences:
179.6 ms | 402 KiB | 211 Q