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<?php $xml = new SimpleXMLElement('<tag></tag>'); echo $xml->__toString(); echo 'An empty SimpleXMLElement is '; var_export((bool) $xml); echo "\n"; $xml = new SimpleXMLElement('<tag>data</tag>'); echo $xml->__toString(); echo 'A SimpleXMLElement with data is '; var_export((bool) $xml); echo "\n"; $obj = new stdClass(); echo $obj->__toString(); echo 'An empty stdClass is '; var_export((bool) $obj);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Nivth
function name:  (null)
number of ops:  38
compiled vars:  !0 = $xml, !1 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'SimpleXMLElement'
          1        SEND_VAL_EX                                              '%3Ctag%3E%3C%2Ftag%3E'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    3     4        INIT_METHOD_CALL                                         !0, '__toString'
          5        DO_FCALL                                      0  $5      
          6        ECHO                                                     $5
    4     7        ECHO                                                     'An+empty+SimpleXMLElement+is+'
    5     8        INIT_FCALL                                               'var_export'
          9        BOOL                                             ~6      !0
         10        SEND_VAL                                                 ~6
         11        DO_ICALL                                                 
    6    12        ECHO                                                     '%0A'
    8    13        NEW                                              $8      'SimpleXMLElement'
         14        SEND_VAL_EX                                              '%3Ctag%3Edata%3C%2Ftag%3E'
         15        DO_FCALL                                      0          
         16        ASSIGN                                                   !0, $8
    9    17        INIT_METHOD_CALL                                         !0, '__toString'
         18        DO_FCALL                                      0  $11     
         19        ECHO                                                     $11
   10    20        ECHO                                                     'A+SimpleXMLElement+with+data+is+'
   11    21        INIT_FCALL                                               'var_export'
         22        BOOL                                             ~12     !0
         23        SEND_VAL                                                 ~12
         24        DO_ICALL                                                 
   12    25        ECHO                                                     '%0A'
   14    26        NEW                                              $14     'stdClass'
         27        DO_FCALL                                      0          
         28        ASSIGN                                                   !1, $14
   15    29        INIT_METHOD_CALL                                         !1, '__toString'
         30        DO_FCALL                                      0  $17     
         31        ECHO                                                     $17
   16    32        ECHO                                                     'An+empty+stdClass+is+'
   17    33        INIT_FCALL                                               'var_export'
         34        BOOL                                             ~18     !1
         35        SEND_VAL                                                 ~18
         36        DO_ICALL                                                 
         37      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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