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<?php $a = array( 'name' => 'a', (string)'1' => 'null' ); $b = array( 'name' => 'b', 1 => 'zero' ); $c = array( 'name' => 'c', (string)'1' => 'zeronull' ); var_dump($a); var_dump($b); var_dump(array_merge($a, $b)); var_dump(array_merge($a, $c)); var_dump(array_merge($a, $b, $c)); var_dump($a + $b);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dYVFO
function name:  (null)
number of ops:  42
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_ARRAY                                       ~3      'a', 'name'
          1        CAST                                          6  ~4      '1'
          2        ADD_ARRAY_ELEMENT                                ~3      'null', ~4
          3        ASSIGN                                                   !0, ~3
    3     4        ASSIGN                                                   !1, <array>
    4     5        INIT_ARRAY                                       ~7      'c', 'name'
          6        CAST                                          6  ~8      '1'
          7        ADD_ARRAY_ELEMENT                                ~7      'zeronull', ~8
          8        ASSIGN                                                   !2, ~7
    6     9        INIT_FCALL                                               'var_dump'
         10        SEND_VAR                                                 !0
         11        DO_ICALL                                                 
    7    12        INIT_FCALL                                               'var_dump'
         13        SEND_VAR                                                 !1
         14        DO_ICALL                                                 
    8    15        INIT_FCALL                                               'var_dump'
         16        INIT_FCALL                                               'array_merge'
         17        SEND_VAR                                                 !0
         18        SEND_VAR                                                 !1
         19        DO_ICALL                                         $12     
         20        SEND_VAR                                                 $12
         21        DO_ICALL                                                 
    9    22        INIT_FCALL                                               'var_dump'
         23        INIT_FCALL                                               'array_merge'
         24        SEND_VAR                                                 !0
         25        SEND_VAR                                                 !2
         26        DO_ICALL                                         $14     
         27        SEND_VAR                                                 $14
         28        DO_ICALL                                                 
   10    29        INIT_FCALL                                               'var_dump'
         30        INIT_FCALL                                               'array_merge'
         31        SEND_VAR                                                 !0
         32        SEND_VAR                                                 !1
         33        SEND_VAR                                                 !2
         34        DO_ICALL                                         $16     
         35        SEND_VAR                                                 $16
         36        DO_ICALL                                                 
   11    37        INIT_FCALL                                               'var_dump'
         38        ADD                                              ~18     !0, !1
         39        SEND_VAL                                                 ~18
         40        DO_ICALL                                                 
         41      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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