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<?php function arraysSum(array ...$arrays): array { return array_map(function(array $array): int { return array_sum($array); }, $arrays); } print_r(arraysSum([1,2,3], [4,5,6], [7,8,9])); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3ErJ4
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'print_r'
          1        INIT_FCALL                                               'arrayssum'
          2        SEND_VAL                                                 <array>
          3        SEND_VAL                                                 <array>
          4        SEND_VAL                                                 <array>
          5        DO_FCALL                                      0  $0      
          6        SEND_VAR                                                 $0
          7        DO_ICALL                                                 
   11     8      > RETURN                                                   1

Function arrayssum:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3ErJ4
function name:  arraysSum
number of ops:  10
compiled vars:  !0 = $arrays
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV_VARIADIC                                    !0      
    5     1        INIT_FCALL                                               'array_map'
          2        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F3ErJ4%3A5%240'
    7     3        SEND_VAL                                                 ~1
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $2      
          6        VERIFY_RETURN_TYPE                                       $2
          7      > RETURN                                                   $2
    8     8*       VERIFY_RETURN_TYPE                                       
          9*     > RETURN                                                   null

End of function arrayssum

Function %00%7Bclosure%7D%2Fin%2F3ErJ4%3A5%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3ErJ4
function name:  {closure}
number of ops:  8
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
    6     1        INIT_FCALL                                               'array_sum'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $1      
          4        VERIFY_RETURN_TYPE                                       $1
          5      > RETURN                                                   $1
    7     6*       VERIFY_RETURN_TYPE                                       
          7*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F3ErJ4%3A5%240

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