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<?php $stack222 = array_merge(array(arrayCreate("77", "99")),array(arrayCreate(66,77),array(555,4554),array(232,778)), array(array(11,22),array(33,44),array(55,66))); var_dump($stack222);
based on U4GnK
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/ABvsl
function name:  (null)
number of ops:  22
compiled vars:  !0 = $stack222
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   INIT_FCALL                                               'array_merge'
         1        INIT_FCALL_BY_NAME                                       'arrayCreate'
         2        SEND_VAL_EX                                              '77'
         3        SEND_VAL_EX                                              '99'
         4        DO_FCALL                                      0  $1      
         5        INIT_ARRAY                                       ~2      $1
         6        SEND_VAL                                                 ~2
         7        INIT_FCALL_BY_NAME                                       'arrayCreate'
         8        SEND_VAL_EX                                              66
         9        SEND_VAL_EX                                              77
        10        DO_FCALL                                      0  $3      
        11        INIT_ARRAY                                       ~4      $3
        12        ADD_ARRAY_ELEMENT                                ~4      <array>
        13        ADD_ARRAY_ELEMENT                                ~4      <array>
        14        SEND_VAL                                                 ~4
        15        SEND_VAL                                                 <array>
        16        DO_ICALL                                         $5      
        17        ASSIGN                                                   !0, $5
   5    18        INIT_FCALL                                               'var_dump'
        19        SEND_VAR                                                 !0
        20        DO_ICALL                                                 
        21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 7.3.0