3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $result = array( "\xb000", "\x43\x00", "\x00\x00" ); $jsontest = json_encode( $result ); echo "jsontest is: $jsontest"; ?>
Output for 5.5.0 - 7.1.0
jsontest is:
Output for 5.2.7 - 5.3.13, 5.3.15 - 5.4.45
jsontest is: [null,"C\u0000","\u0000\u0000"]
Output for 5.3.14
Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/rreD1 on line 3 jsontest is:
Output for 5.2.2 - 5.2.6
jsontest is: ["","C\u0000","\u0000\u0000"]
Output for 5.2.0 - 5.2.1
jsontest is: ["","C",""]
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/rreD1 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/rreD1 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/rreD1 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/rreD1 on line 3