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<?php $xml = simplexml_load_string("<xml>test</xml>"); if ($xml) { echo '$xml evaluates to true'; } else { echo '$xml evaluates to false, wtf!?'; } echo "\n\n"; var_dump($xml); echo "\n\n"; $xml = simplexml_load_string("<xml><test>blaat</test></xml>"); if ($xml) { echo '$xml evaluates to true'; } else { echo '$xml evaluates to false, wtf!?'; } echo "\n\n"; var_dump($xml); echo "\n\n";
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 43) Position 1 = 18, Position 2 = 20
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 21
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 20
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 18, Position 2 = 20
Branch analysis from position: 18
Branch analysis from position: 20
filename:       /in/rtNEm
function name:  (null)
number of ops:  27
compiled vars:  !0 = $xml
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'simplexml_load_string'
          1        SEND_VAL                                                 '%3Cxml%3Etest%3C%2Fxml%3E'
          2        DO_ICALL                                         $1      
          3        ASSIGN                                                   !0, $1
    4     4      > JMPZ                                                     !0, ->7
    5     5    >   ECHO                                                     '%24xml+evaluates+to+true'
          6      > JMP                                                      ->8
    7     7    >   ECHO                                                     '%24xml+evaluates+to+false%2C+wtf%21%3F'
   10     8    >   ECHO                                                     '%0A%0A'
   11     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                                 
   12    12        ECHO                                                     '%0A%0A'
   15    13        INIT_FCALL                                               'simplexml_load_string'
         14        SEND_VAL                                                 '%3Cxml%3E%3Ctest%3Eblaat%3C%2Ftest%3E%3C%2Fxml%3E'
         15        DO_ICALL                                         $4      
         16        ASSIGN                                                   !0, $4
   17    17      > JMPZ                                                     !0, ->20
   18    18    >   ECHO                                                     '%24xml+evaluates+to+true'
         19      > JMP                                                      ->21
   20    20    >   ECHO                                                     '%24xml+evaluates+to+false%2C+wtf%21%3F'
   23    21    >   ECHO                                                     '%0A%0A'
   24    22        INIT_FCALL                                               'var_dump'
         23        SEND_VAR                                                 !0
         24        DO_ICALL                                                 
   25    25        ECHO                                                     '%0A%0A'
         26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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