3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $result = array( \xb0, \x00, \x43, \x00, \x00, \x00 ); $jsontest = json_encode( $result, JSON_UNESCAPED_UNICODE ); echo "jsontest is: $jsontest"; ?>
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Undefined constant 'xb0' in /in/XpqG5:2 Stack trace: #0 {main} thrown in /in/XpqG5 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
Fatal error: Undefined constant 'xb0' in /in/XpqG5 on line 2
Process exited with code 255.
Output for 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Notice: Use of undefined constant xb0 - assumed 'xb0' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x43 - assumed 'x43' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant JSON_UNESCAPED_UNICODE - assumed 'JSON_UNESCAPED_UNICODE' in /in/XpqG5 on line 3 Warning: json_encode() expects exactly 1 parameter, 2 given in /in/XpqG5 on line 3 jsontest is:
Output for 5.0.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Notice: Use of undefined constant xb0 - assumed 'xb0' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x43 - assumed 'x43' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Fatal error: Call to undefined function json_encode() in /in/XpqG5 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Notice: Use of undefined constant xb0 - assumed 'xb0' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x43 - assumed 'x43' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Fatal error: Call to undefined function: json_encode() in /in/XpqG5 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Notice: Use of undefined constant xb0 - assumed 'xb0' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x43 - assumed 'x43' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Fatal error: Call to undefined function: json_encode() in /in/XpqG5 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/XpqG5 on line 2 Notice: Use of undefined constant xb0 - assumed 'xb0' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x43 - assumed 'x43' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Notice: Use of undefined constant x00 - assumed 'x00' in /in/XpqG5 on line 2 Fatal error: Call to undefined function: json_encode() in /in/XpqG5 on line 3