3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); System.out.print('Hi'); $a = 'abc'; System.out.print(isset($a['a']));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kneak
function name:  (null)
number of ops:  18
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 0
          2        DO_ICALL                                                 
    5     3        FETCH_CONSTANT                                   ~2      'System'
          4        FETCH_CONSTANT                                   ~3      'out'
          5        CONCAT                                           ~4      ~2, ~3
          6        ECHO                                                     'Hi'
          7        CONCAT                                           ~5      ~4, '1'
          8        FREE                                                     ~5
    7     9        ASSIGN                                                   !0, 'abc'
    8    10        FETCH_CONSTANT                                   ~7      'System'
         11        FETCH_CONSTANT                                   ~8      'out'
         12        CONCAT                                           ~9      ~7, ~8
         13        ISSET_ISEMPTY_DIM_OBJ                         0  ~10     !0, 'a'
         14        ECHO                                                     ~10
         15        CONCAT                                           ~11     ~9, '1'
         16        FREE                                                     ~11
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.12 ms | 1394 KiB | 15 Q