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<?php function test($b){ if(!empty($b)){ var_dump($b); } } test(); test(null);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/sHPao
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'test'
          1        DO_FCALL                                      0          
   10     2        INIT_FCALL                                               'test'
          3        SEND_VAL                                                 null
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/sHPao
function name:  test
number of ops:  8
compiled vars:  !0 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        ISSET_ISEMPTY_CV                                 ~1      !0
          2        BOOL_NOT                                         ~2      ~1
          3      > JMPZ                                                     ~2, ->7
    5     4    >   INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
    7     7    > > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


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