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<?php $var = ''; if (! isset($var) || $var) { echo "not empty or not defiend or a null value"; } else { echo "empty"; } echo "\ninstead\n"; if (empty($var)) { echo "not empty or not defiend or a null value"; } else { echo "empty"; }
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 = 12, Position 2 = 14
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 12, Position 2 = 14
Branch analysis from position: 12
Branch analysis from position: 14
Branch analysis from position: 5
filename:       /in/qsMR1
function name:  (null)
number of ops:  16
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, ''
    3     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
    4     6    >   ECHO                                                     'not+empty+or+not+defiend+or+a+null+value'
          7      > JMP                                                      ->9
    6     8    >   ECHO                                                     'empty'
    8     9    >   ECHO                                                     '%0Ainstead%0A'
   10    10        ISSET_ISEMPTY_CV                                         !0
         11      > JMPZ                                                     ~4, ->14
   11    12    >   ECHO                                                     'not+empty+or+not+defiend+or+a+null+value'
         13      > JMP                                                      ->15
   13    14    >   ECHO                                                     'empty'
   14    15    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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