3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '<script>var foobar = ' . json_encode(['foo' => 'bar']) . ';</script>';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jdGCm
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'json_encode'
          1        SEND_VAL                                                 <array>
          2        DO_ICALL                                         $0      
          3        CONCAT                                           ~1      '%3Cscript%3Evar+foobar+%3D+', $0
          4        CONCAT                                           ~2      ~1, '%3B%3C%2Fscript%3E'
          5        ECHO                                                     ~2
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
260.42 ms | 998 KiB | 14 Q