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<?php if($something['123'] != 1) { echo 'good'; } else { echo 'bad'; }
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
Jump found. Position 1 = 6
Branch analysis from position: 6
Jump found. Position 1 = -2
Branch analysis from position: 5
Jump found. Position 1 = -2
filename:       /in/UacGh
function name:  (null)
number of ops:  7
compiled vars:  !0 = $something
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   FETCH_DIM_R                                      $1      !0, 123
         1        IS_NOT_EQUAL                                     ~2      $1, 1
         2      > JMPZ                                                     ~2, ->5
   3     3    >   ECHO                                                     'good'
         4      > JMP                                                      ->6
   6     5    >   ECHO                                                     'bad'
         6    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.2.0