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<?php $a[0] = 1; echo '$a: '; debug_zval_dump($a); $b =& $a[0]; echo "=============\n"; echo '$a: '; debug_zval_dump($a); echo '$b: '; debug_zval_dump($b); $c = $a; echo "=============\n"; echo '$a: '; debug_zval_dump($a); echo '$c: '; debug_zval_dump($c); $c[0] = 2; echo "=============\n"; echo '$a: '; debug_zval_dump($a); echo '$c: '; debug_zval_dump($c);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZjFWP
function name:  (null)
number of ops:  39
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN_DIM                                               !0, 0
          1        OP_DATA                                                  1
    3     2        ECHO                                                     '%24a%3A+'
          3        INIT_FCALL                                               'debug_zval_dump'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                                 
    4     6        FETCH_DIM_W                                      $5      !0, 0
          7        ASSIGN_REF                                               !1, $5
    5     8        ECHO                                                     '%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%0A'
    6     9        ECHO                                                     '%24a%3A+'
         10        INIT_FCALL                                               'debug_zval_dump'
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                                 
    7    13        ECHO                                                     '%24b%3A+'
         14        INIT_FCALL                                               'debug_zval_dump'
         15        SEND_VAR                                                 !1
         16        DO_ICALL                                                 
    8    17        ASSIGN                                                   !2, !0
    9    18        ECHO                                                     '%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%0A'
   10    19        ECHO                                                     '%24a%3A+'
         20        INIT_FCALL                                               'debug_zval_dump'
         21        SEND_VAR                                                 !0
         22        DO_ICALL                                                 
   11    23        ECHO                                                     '%24c%3A+'
         24        INIT_FCALL                                               'debug_zval_dump'
         25        SEND_VAR                                                 !2
         26        DO_ICALL                                                 
   12    27        ASSIGN_DIM                                               !2, 0
         28        OP_DATA                                                  2
   13    29        ECHO                                                     '%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%0A'
   14    30        ECHO                                                     '%24a%3A+'
         31        INIT_FCALL                                               'debug_zval_dump'
         32        SEND_VAR                                                 !0
         33        DO_ICALL                                                 
   15    34        ECHO                                                     '%24c%3A+'
         35        INIT_FCALL                                               'debug_zval_dump'
         36        SEND_VAR                                                 !2
         37        DO_ICALL                                                 
         38      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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