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<?php $a = 0; $b = &$a; $c = &$b; var_dump($a, $b, $c); echo("\n\n"); $c = 1; var_dump($a, $b, $c); echo("\n\n"); $b = 2; var_dump($a, $b, $c); echo("\n\n"); $b = 3; var_dump($a, $b, $c); echo("\n\n"); $a = &$c; var_dump($a, $b, $c); echo("\n\n"); $c = 4; var_dump($a, $b, $c); echo("\n\n");
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LWiDQ
function name:  (null)
number of ops:  45
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 0
    4     1        ASSIGN_REF                                               !1, !0
    5     2        ASSIGN_REF                                               !2, !1
    7     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !0
          5        SEND_VAR                                                 !1
          6        SEND_VAR                                                 !2
          7        DO_ICALL                                                 
    8     8        ECHO                                                     '%0A%0A'
   10     9        ASSIGN                                                   !2, 1
   11    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !0
         12        SEND_VAR                                                 !1
         13        SEND_VAR                                                 !2
         14        DO_ICALL                                                 
   12    15        ECHO                                                     '%0A%0A'
   14    16        ASSIGN                                                   !1, 2
   15    17        INIT_FCALL                                               'var_dump'
         18        SEND_VAR                                                 !0
         19        SEND_VAR                                                 !1
         20        SEND_VAR                                                 !2
         21        DO_ICALL                                                 
   16    22        ECHO                                                     '%0A%0A'
   18    23        ASSIGN                                                   !1, 3
   19    24        INIT_FCALL                                               'var_dump'
         25        SEND_VAR                                                 !0
         26        SEND_VAR                                                 !1
         27        SEND_VAR                                                 !2
         28        DO_ICALL                                                 
   20    29        ECHO                                                     '%0A%0A'
   22    30        ASSIGN_REF                                               !0, !2
   23    31        INIT_FCALL                                               'var_dump'
         32        SEND_VAR                                                 !0
         33        SEND_VAR                                                 !1
         34        SEND_VAR                                                 !2
         35        DO_ICALL                                                 
   24    36        ECHO                                                     '%0A%0A'
   26    37        ASSIGN                                                   !2, 4
   27    38        INIT_FCALL                                               'var_dump'
         39        SEND_VAR                                                 !0
         40        SEND_VAR                                                 !1
         41        SEND_VAR                                                 !2
         42        DO_ICALL                                                 
   28    43        ECHO                                                     '%0A%0A'
         44      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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