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<?php /** * The only reliable way of determining if a child exists * in SimpleXMLElement is to use count(). All other methods * do not work reliably in global or local NS. * * NOTE: Error suppresion on @count() is used to suppress * "PHP Warning: count(): Node no longer exists" */ if(!class_exists('SimpleXMLElement')) die("Bonkers"); $xml = new SimpleXMLElement(' <xml xmlns:abstract="urn:my.org:abstract"> <abstract:node>foo</abstract:node> <bar>123</bar> </xml> '); var_dump(gettype($xml->node)); var_dump(isset($xml->node)); var_dump(empty($xml->node)); var_dump(is_null($xml->node)); var_dump(($xml->node->count())); var_dump(@count($xml->node->children())); echo "----------------------\n"; var_dump(gettype($xml->bar)); var_dump(isset($xml->bar)); var_dump(empty($xml->bar)); var_dump(is_null($xml->bar)); var_dump(($xml->bar->count())); var_dump(@count($xml->bar->children())); echo "----------------------\n"; var_dump(gettype($xml->children('abstract',true)->node)); var_dump(isset($xml->children('abstract',true)->node)); var_dump(empty($xml->children('abstract',true)->node)); var_dump(is_null($xml->children('abstract',true)->node)); var_dump(@count($xml->children('abstract',true)->node)); var_dump(@count($xml->children('abstract',true)->node->children())); echo "----------------------\n"; var_dump(gettype($xml->children('abstract',true)->bar)); var_dump(isset($xml->children('abstract',true)->bar)); var_dump(empty($xml->children('abstract',true)->bar)); var_dump(is_null($xml->children('abstract',true)->bar)); var_dump(@count($xml->children('abstract',true)->bar)); var_dump(@count($xml->children('abstract',true)->bar->children()));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 6
Branch analysis from position: 5
1 jumps found. (Code = 79) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LLJRd
function name:  (null)
number of ops:  196
compiled vars:  !0 = $xml
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'class_exists'
          1        SEND_VAL                                                 'SimpleXMLElement'
          2        DO_ICALL                                         $1      
          3        BOOL_NOT                                         ~2      $1
          4      > JMPZ                                                     ~2, ->6
          5    > > EXIT                                                     'Bonkers'
   11     6    >   NEW                                              $3      'SimpleXMLElement'
          7        SEND_VAL_EX                                              '%0A++++%3Cxml+xmlns%3Aabstract%3D%22urn%3Amy.org%3Aabstract%22%3E%0A++++++++%3Cabstract%3Anode%3Efoo%3C%2Fabstract%3Anode%3E%0A++++++++%3Cbar%3E123%3C%2Fbar%3E%0A++++%3C%2Fxml%3E%0A'
          8        DO_FCALL                                      0          
          9        ASSIGN                                                   !0, $3
   17    10        INIT_FCALL                                               'var_dump'
         11        FETCH_OBJ_R                                      ~6      !0, 'node'
         12        GET_TYPE                                         ~7      ~6
         13        SEND_VAL                                                 ~7
         14        DO_ICALL                                                 
   18    15        INIT_FCALL                                               'var_dump'
         16        ISSET_ISEMPTY_PROP_OBJ                           ~9      !0, 'node'
         17        SEND_VAL                                                 ~9
         18        DO_ICALL                                                 
   19    19        INIT_FCALL                                               'var_dump'
         20        ISSET_ISEMPTY_PROP_OBJ                           ~11     !0, 'node'
         21        SEND_VAL                                                 ~11
         22        DO_ICALL                                                 
   20    23        INIT_FCALL                                               'var_dump'
         24        FETCH_OBJ_R                                      ~13     !0, 'node'
         25        TYPE_CHECK                                    2  ~14     ~13
         26        SEND_VAL                                                 ~14
         27        DO_ICALL                                                 
   21    28        INIT_FCALL                                               'var_dump'
         29        FETCH_OBJ_R                                      ~16     !0, 'node'
         30        INIT_METHOD_CALL                                         ~16, 'count'
         31        DO_FCALL                                      0  $17     
         32        SEND_VAR                                                 $17
         33        DO_ICALL                                                 
   22    34        INIT_FCALL                                               'var_dump'
         35        BEGIN_SILENCE                                    ~19     
         36        FETCH_OBJ_R                                      ~20     !0, 'node'
         37        INIT_METHOD_CALL                                         ~20, 'children'
         38        DO_FCALL                                      0  $21     
         39        COUNT                                            ~22     $21
         40        END_SILENCE                                              ~19
         41        SEND_VAL                                                 ~22
         42        DO_ICALL                                                 
   23    43        ECHO                                                     '----------------------%0A'
   24    44        INIT_FCALL                                               'var_dump'
         45        FETCH_OBJ_R                                      ~24     !0, 'bar'
         46        GET_TYPE                                         ~25     ~24
         47        SEND_VAL                                                 ~25
         48        DO_ICALL                                                 
   25    49        INIT_FCALL                                               'var_dump'
         50        ISSET_ISEMPTY_PROP_OBJ                           ~27     !0, 'bar'
         51        SEND_VAL                                                 ~27
         52        DO_ICALL                                                 
   26    53        INIT_FCALL                                               'var_dump'
         54        ISSET_ISEMPTY_PROP_OBJ                           ~29     !0, 'bar'
         55        SEND_VAL                                                 ~29
         56        DO_ICALL                                                 
   27    57        INIT_FCALL                                               'var_dump'
         58        FETCH_OBJ_R                                      ~31     !0, 'bar'
         59        TYPE_CHECK                                    2  ~32     ~31
         60        SEND_VAL                                                 ~32
         61        DO_ICALL                                                 
   28    62        INIT_FCALL                                               'var_dump'
         63        FETCH_OBJ_R                                      ~34     !0, 'bar'
         64        INIT_METHOD_CALL                                         ~34, 'count'
         65        DO_FCALL                                      0  $35     
         66        SEND_VAR                                                 $35
         67        DO_ICALL                                                 
   29    68        INIT_FCALL                                               'var_dump'
         69        BEGIN_SILENCE                                    ~37     
         70        FETCH_OBJ_R                                      ~38     !0, 'bar'
         71        INIT_METHOD_CALL                                         ~38, 'children'
         72        DO_FCALL                                      0  $39     
         73        COUNT                                            ~40     $39
         74        END_SILENCE                                              ~37
         75        SEND_VAL                                                 ~40
         76        DO_ICALL                                                 
   30    77        ECHO                                                     '----------------------%0A'
   31    78        INIT_FCALL                                               'var_dump'
         79        INIT_METHOD_CALL                                         !0, 'children'
         80        SEND_VAL_EX                                              'abstract'
         81        SEND_VAL_EX                                              <true>
         82        DO_FCALL                                      0  $42     
         83        FETCH_OBJ_R                                      ~43     $42, 'node'
         84        GET_TYPE                                         ~44     ~43
         85        SEND_VAL                                                 ~44
         86        DO_ICALL                                                 
   32    87        INIT_FCALL                                               'var_dump'
         88        INIT_METHOD_CALL                                         !0, 'children'
         89        SEND_VAL_EX                                              'abstract'
         90        SEND_VAL_EX                                              <true>
         91        DO_FCALL                                      0  $46     
         92        ISSET_ISEMPTY_PROP_OBJ                           ~47     $46, 'node'
         93        SEND_VAL                                                 ~47
         94        DO_ICALL                                                 
   33    95        INIT_FCALL                                               'var_dump'
         96        INIT_METHOD_CALL                                         !0, 'children'
         97        SEND_VAL_EX                                              'abstract'
         98        SEND_VAL_EX                                              <true>
         99        DO_FCALL                                      0  $49     
        100        ISSET_ISEMPTY_PROP_OBJ                           ~50     $49, 'node'
        101        SEND_VAL                                                 ~50
        102        DO_ICALL                                                 
   34   103        INIT_FCALL                                               'var_dump'
        104        INIT_METHOD_CALL                                         !0, 'children'
        105        SEND_VAL_EX                                              'abstract'
        106        SEND_VAL_EX                                              <true>
        107        DO_FCALL                                      0  $52     
        108        FETCH_OBJ_R                                      ~53     $52, 'node'
        109        TYPE_CHECK                                    2  ~54     ~53
        110        SEND_VAL                                                 ~54
        111        DO_ICALL                                                 
   35   112        INIT_FCALL                                               'var_dump'
        113        BEGIN_SILENCE                                    ~56     
        114        INIT_METHOD_CALL                                         !0, 'children'
        115        SEND_VAL_EX                                              'abstract'
        116        SEND_VAL_EX                                              <true>
        117        DO_FCALL                                      0  $57     
        118        FETCH_OBJ_R                                      ~58     $57, 'node'
        119        COUNT                                            ~59     ~58
        120        END_SILENCE                                              ~56
        121        SEND_VAL                                                 ~59
        122        DO_ICALL                                                 
   36   123        INIT_FCALL                                               'var_dump'
        124        BEGIN_SILENCE                                    ~61     
        125        INIT_METHOD_CALL                                         !0, 'children'
        126        SEND_VAL_EX                                              'abstract'
        127        SEND_VAL_EX                                              <true>
        128        DO_FCALL                                      0  $62     
        129        FETCH_OBJ_R                                      ~63     $62, 'node'
        130        INIT_METHOD_CALL                                         ~63, 'children'
        131        DO_FCALL                                      0  $64     
        132        COUNT                                            ~65     $64
        133        END_SILENCE                                              ~61
        134        SEND_VAL                                                 ~65
        135        DO_ICALL                                                 
   37   136        ECHO                                                     '----------------------%0A'
   38   137        INIT_FCALL                                               'var_dump'
        138        INIT_METHOD_CALL                                         !0, 'children'
        139        SEND_VAL_EX                                              'abstract'
        140        SEND_VAL_EX                                              <true>
        141        DO_FCALL                                      0  $67     
        142        FETCH_OBJ_R                                      ~68     $67, 'bar'
        143        GET_TYPE                                         ~69     ~68
        144        SEND_VAL                                                 ~69
        145        DO_ICALL                                                 
   39   146        INIT_FCALL                                               'var_dump'
        147        INIT_METHOD_CALL                                         !0, 'children'
        148        SEND_VAL_EX                                              'abstract'
        149        SEND_VAL_EX                                              <true>
        150        DO_FCALL                                      0  $71     
        151        ISSET_ISEMPTY_PROP_OBJ                           ~72     $71, 'bar'
        152        SEND_VAL                                                 ~72
        153        DO_ICALL                                                 
   40   154        INIT_FCALL                                               'var_dump'
        155        INIT_METHOD_CALL                                         !0, 'children'
        156        SEND_VAL_EX                                              'abstract'
        157        SEND_VAL_EX                                              <true>
        158        DO_FCALL                                      0  $74     
        159        ISSET_ISEMPTY_PROP_OBJ                           ~75     $74, 'bar'
        160        SEND_VAL                                                 ~75
        161        DO_ICALL                                                 
   41   162        INIT_FCALL                                               'var_dump'
        163        INIT_METHOD_CALL                                         !0, 'children'
        164        SEND_VAL_EX                                              'abstract'
        165        SEND_VAL_EX                                              <true>
        166        DO_FCALL                                      0  $77     
        167        FETCH_OBJ_R                                      ~78     $77, 'bar'
        168        TYPE_CHECK                                    2  ~79     ~78
        169        SEND_VAL                                                 ~79
        170        DO_ICALL                                                 
   42   171        INIT_FCALL                                               'var_dump'
        172        BEGIN_SILENCE                                    ~81     
        173        INIT_METHOD_CALL                                         !0, 'children'
        174        SEND_VAL_EX                                              'abstract'
        175        SEND_VAL_EX                                              <true>
        176        DO_FCALL                                      0  $82     
        177        FETCH_OBJ_R                                      ~83     $82, 'bar'
        178        COUNT                                            ~84     ~83
        179        END_SILENCE                                              ~81
        180        SEND_VAL                                                 ~84
        181        DO_ICALL                                                 
   43   182        INIT_FCALL                                               'var_dump'
        183        BEGIN_SILENCE                                    ~86     
        184        INIT_METHOD_CALL                                         !0, 'children'
        185        SEND_VAL_EX                                              'abstract'
        186        SEND_VAL_EX                                              <true>
        187        DO_FCALL                                      0  $87     
        188        FETCH_OBJ_R                                      ~88     $87, 'bar'
        189        INIT_METHOD_CALL                                         ~88, 'children'
        190        DO_FCALL                                      0  $89     
        191        COUNT                                            ~90     $89
        192        END_SILENCE                                              ~86
        193        SEND_VAL                                                 ~90
        194        DO_ICALL                                                 
        195      > RETURN                                                   1

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