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<?php $a = ['t1' => 'a', 't2' => 'b', 't3' => 'c']; $b = ['t1' => 'd', 't2' => 'e', 't3' => 'f']; print_r(array_merge($a, $b)); print_r(array_merge(array_values($a), array_values($b)));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/chuXV
function name:  (null)
number of ops:  23
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, <array>
    6     2        INIT_FCALL                                               'print_r'
          3        INIT_FCALL                                               'array_merge'
          4        SEND_VAR                                                 !0
          5        SEND_VAR                                                 !1
          6        DO_ICALL                                         $4      
          7        SEND_VAR                                                 $4
          8        DO_ICALL                                                 
    7     9        INIT_FCALL                                               'print_r'
         10        INIT_FCALL                                               'array_merge'
         11        INIT_FCALL                                               'array_values'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                         $6      
         14        SEND_VAR                                                 $6
         15        INIT_FCALL                                               'array_values'
         16        SEND_VAR                                                 !1
         17        DO_ICALL                                         $7      
         18        SEND_VAR                                                 $7
         19        DO_ICALL                                         $8      
         20        SEND_VAR                                                 $8
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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