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<?php $a = ''; //$b = ''; if(!empty($a) && isset($a[$b]['pqr'])){ print 'in switch'; } else { print 'Empty'; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/HeNe1
function name:  (null)
number of ops:  12
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, ''
    4     1        ISSET_ISEMPTY_CV                                 ~3      !0
          2        BOOL_NOT                                         ~4      ~3
          3      > JMPZ_EX                                          ~4      ~4, ->7
          4    >   FETCH_DIM_IS                                     ~5      !0, !1
          5        ISSET_ISEMPTY_DIM_OBJ                         0  ~6      ~5, 'pqr'
          6        BOOL                                             ~4      ~6
          7    > > JMPZ                                                     ~4, ->10
    5     8    >   ECHO                                                     'in+switch'
          9      > JMP                                                      ->11
    8    10    >   ECHO                                                     'Empty'
    9    11    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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