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<?php $array = array('fname'=>'Buck','mname'=>'Jerry','lname'=>'Tomas'); $aO = new ArrayObject($array); $aO2 = new ArrayObject($array); echo $aO == $aO2; echo "\n",$aO === $aO2 ? 'true' : 'false'; echo "\n", $aO["fname"]; echo "\n", $aO["fname"] === $aO2["fname"]; $aO["fname"] = "Mary"; echo "\n",$aO["fname"]; echo "\n",$aO2["fname"];
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 14, Position 2 = 16
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/osDa5
function name:  (null)
number of ops:  35
compiled vars:  !0 = $array, !1 = $aO, !2 = $aO2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        NEW                                              $4      'ArrayObject'
          2        SEND_VAR_EX                                              !0
          3        DO_FCALL                                      0          
          4        ASSIGN                                                   !1, $4
    4     5        NEW                                              $7      'ArrayObject'
          6        SEND_VAR_EX                                              !0
          7        DO_FCALL                                      0          
          8        ASSIGN                                                   !2, $7
    5     9        IS_EQUAL                                         ~10     !1, !2
         10        ECHO                                                     ~10
    6    11        ECHO                                                     '%0A'
         12        IS_IDENTICAL                                             !1, !2
         13      > JMPZ                                                     ~11, ->16
         14    >   QM_ASSIGN                                        ~12     'true'
         15      > JMP                                                      ->17
         16    >   QM_ASSIGN                                        ~12     'false'
         17    >   ECHO                                                     ~12
    7    18        ECHO                                                     '%0A'
         19        FETCH_DIM_R                                      ~13     !1, 'fname'
         20        ECHO                                                     ~13
    8    21        ECHO                                                     '%0A'
         22        FETCH_DIM_R                                      ~14     !1, 'fname'
         23        FETCH_DIM_R                                      ~15     !2, 'fname'
         24        IS_IDENTICAL                                     ~16     ~14, ~15
         25        ECHO                                                     ~16
    9    26        ASSIGN_DIM                                               !1, 'fname'
         27        OP_DATA                                                  'Mary'
   10    28        ECHO                                                     '%0A'
         29        FETCH_DIM_R                                      ~18     !1, 'fname'
         30        ECHO                                                     ~18
   11    31        ECHO                                                     '%0A'
         32        FETCH_DIM_R                                      ~19     !2, 'fname'
         33        ECHO                                                     ~19
         34      > RETURN                                                   1

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