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<?php $xml = new SimpleXmlElement( <<<XML <root/> XML ); $xml->a->b[0] = 'Works'; echo $xml->asXML(); $xml = new SimpleXmlElement( <<<XML <root/> XML ); $xml->a->b->{0} = 'Only works before PHP 7.0'; echo $xml->asXML();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cliKZ
function name:  (null)
number of ops:  23
compiled vars:  !0 = $xml
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   NEW                                                  $1      'SimpleXmlElement'
    4     1        SEND_VAL_EX                                                  '%3Croot%2F%3E'
    2     2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $1
    8     4        FETCH_OBJ_W                                          $4      !0, 'a'
          5        FETCH_OBJ_W                                          $5      $4, 'b'
          6        ASSIGN_DIM                                                   $5, 0
          7        OP_DATA                                                      'Works'
   10     8        INIT_METHOD_CALL                                             !0, 'asXML'
          9        DO_FCALL                                          0  $7      
         10        ECHO                                                         $7
   12    11        NEW                                                  $8      'SimpleXmlElement'
   14    12        SEND_VAL_EX                                                  '%3Croot%2F%3E'
   12    13        DO_FCALL                                          0          
         14        ASSIGN                                                       !0, $8
   18    15        FETCH_OBJ_W                                          $11     !0, 'a'
         16        FETCH_OBJ_W                                          $12     $11, 'b'
         17        ASSIGN_OBJ                                                   $12, '0'
         18        OP_DATA                                                      'Only+works+before+PHP+7.0'
   20    19        INIT_METHOD_CALL                                             !0, 'asXML'
         20        DO_FCALL                                          0  $14     
         21        ECHO                                                         $14
         22      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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