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<?php $array = array(); if(!isset($array['var']) || $array['var']==''){}
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 8
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
Branch analysis from position: 7
filename:       /in/BVn02
function name:  (null)
number of ops:  9
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ISSET_ISEMPTY_DIM_OBJ                         0  ~2      !0, 'var'
          2        BOOL_NOT                                         ~3      ~2
          3      > JMPNZ_EX                                         ~3      ~3, ->7
          4    >   FETCH_DIM_R                                      ~4      !0, 'var'
          5        IS_EQUAL                                         ~5      ~4, ''
          6        BOOL                                             ~3      ~5
          7    > > JMPZ                                                     ~3, ->8
          8    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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