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<?php $a = [[0 => 'zero'], [1 => 'one']]; print_r(array_merge(...$a));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9sRaE
function name:  (null)
number of ops:  9
compiled vars:  !0 = $a
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    4     1        INIT_FCALL                                                   'print_r'
          2        INIT_FCALL                                                   'array_merge'
          3        SEND_UNPACK                                                  !0
          4        CHECK_UNDEF_ARGS                                             
          5        DO_ICALL                                             $2      
          6        SEND_VAR                                                     $2
          7        DO_ICALL                                                     
          8      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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