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<?php $var = (int)0; if (empty($var)) { echo "empty\n\n";}else{ echo "not empty\n\n";} var_dump($var);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8XPCu
function name:  (null)
number of ops:  11
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   CAST                                          4  ~1      0
          1        ASSIGN                                                   !0, ~1
    4     2        ISSET_ISEMPTY_CV                                         !0
          3      > JMPZ                                                     ~3, ->6
          4    >   ECHO                                                     'empty%0A%0A'
          5      > JMP                                                      ->7
          6    >   ECHO                                                     'not+empty%0A%0A'
    6     7    >   INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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