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run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = ''; for ($i=0; $i<256; $i++) { $c = chr($i); if (json_encode($c) === "\"$c\"") { $str .= $c; } } echo $str;
Output for 5.2.2 - 5.3.13, 5.3.15 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
!#$%&'()*+,-.0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwxyz{|}~
Output for 5.3.14
Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/qQ9PT on line 7 !#$%&'()*+,-.0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwxyz{|}~
Output for 5.2.0 - 5.2.1
  !#$%&'()*+,-.0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_`abcdefghijklmnopqrstuvwxyz{|}~
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/qQ9PT on line 7
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/qQ9PT on line 7
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/qQ9PT on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/qQ9PT on line 7