3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo 'busted! - '.var_export(json_encode(pack("H*" ,'c32e')), 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
busted! - false
Output for 5.2.7 - 5.2.17, 5.3.0 - 5.3.13, 5.3.15 - 5.3.29, 5.4.0 - 5.4.45
busted! - 'null'
Output for 5.3.14
Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/i1q8j on line 2 busted! - false
Output for 5.2.0 - 5.2.6
busted! - '""'
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/i1q8j on line 2
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/i1q8j on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/i1q8j on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/i1q8j on line 2

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259.99 ms | 401 KiB | 395 Q