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<?php $var = 'A'; //$var = ''; //$var = null; //$var = 0; if (! isset($var) || $var) { echo "not empty or not defiend or a null value"; } else { echo "empty"; } echo "\ninstead\n"; if (! empty($var)) { echo "empty"; } else { echo "not empty or not defiend or a null value"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 4, Position 2 = 5
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 15
Branch analysis from position: 13
Branch analysis from position: 15
Branch analysis from position: 5
filename:       /in/HHU5L
function name:  (null)
number of ops:  17
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'A'
    7     1        ISSET_ISEMPTY_CV                                 ~2      !0
          2        BOOL_NOT                                         ~3      ~2
          3      > JMPNZ_EX                                         ~3      ~3, ->5
          4    >   BOOL                                             ~3      !0
          5    > > JMPZ                                                     ~3, ->8
    8     6    >   ECHO                                                     'not+empty+or+not+defiend+or+a+null+value'
          7      > JMP                                                      ->9
   10     8    >   ECHO                                                     'empty'
   12     9    >   ECHO                                                     '%0Ainstead%0A'
   14    10        ISSET_ISEMPTY_CV                                 ~4      !0
         11        BOOL_NOT                                         ~5      ~4
         12      > JMPZ                                                     ~5, ->15
   15    13    >   ECHO                                                     'empty'
         14      > JMP                                                      ->16
   17    15    >   ECHO                                                     'not+empty+or+not+defiend+or+a+null+value'
   18    16    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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