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<?php $a1 = array(1, 2, 3); $a2 = array(2, 3, 4); array_merge($a1, $a2); print_r($a1); print_r($a2); $a1 = array_merge($a1, $a2); print_r($a1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/v4YBT
function name:  (null)
number of ops:  21
compiled vars:  !0 = $a1, !1 = $a2
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    4     1        ASSIGN                                                       !1, <array>
    6     2        INIT_FCALL                                                   'array_merge'
          3        SEND_VAR                                                     !0
          4        SEND_VAR                                                     !1
          5        DO_ICALL                                                     
    8     6        INIT_FCALL                                                   'print_r'
          7        SEND_VAR                                                     !0
          8        DO_ICALL                                                     
    9     9        INIT_FCALL                                                   'print_r'
         10        SEND_VAR                                                     !1
         11        DO_ICALL                                                     
   11    12        INIT_FCALL                                                   'array_merge'
         13        SEND_VAR                                                     !0
         14        SEND_VAR                                                     !1
         15        DO_ICALL                                             $7      
         16        ASSIGN                                                       !0, $7
   12    17        INIT_FCALL                                                   'print_r'
         18        SEND_VAR                                                     !0
         19        DO_ICALL                                                     
         20      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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