3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = "0wz"; var_dump(++$foo); var_dump(++$foo); echo "PHP goes to $foo";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WVWGS
function name:  (null)
number of ops:  13
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, '0wz'
    3     1        INIT_FCALL                                               'var_dump'
          2        PRE_INC                                          ~2      !0
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                                 
    4     5        INIT_FCALL                                               'var_dump'
          6        PRE_INC                                          ~4      !0
          7        SEND_VAL                                                 ~4
          8        DO_ICALL                                                 
    5     9        NOP                                                      
         10        FAST_CONCAT                                      ~6      'PHP+goes+to+', !0
         11        ECHO                                                     ~6
         12      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
161.37 ms | 1394 KiB | 15 Q