3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(null) { var_dump("hello");} else var_dump("goodbye");
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 1, Position 2 = 5
Branch analysis from position: 1
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vrVuo
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E > > JMPZ                                                     null, ->5
    4     1    >   INIT_FCALL                                               'var_dump'
          2        SEND_VAL                                                 'hello'
          3        DO_ICALL                                                 
          4      > JMP                                                      ->8
    6     5    >   INIT_FCALL                                               'var_dump'
          6        SEND_VAL                                                 'goodbye'
          7        DO_ICALL                                                 
          8    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
289.31 ms | 1398 KiB | 16 Q