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<?php $array = [ [30, 5, 6, 7, 8, 9, 2, 5], [50, 4, 8, 4, 4, 6, 9, 2] ]; var_export( array_map(fn(...$col) => array_sum($col), ...$array) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NRipF
function name:  (null)
number of ops:  11
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    8     1        INIT_FCALL                                               'var_export'
    9     2        INIT_FCALL                                               'array_map'
          3        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
          4        SEND_VAL                                                 ~2
          5        SEND_UNPACK                                              !0
          6        CHECK_UNDEF_ARGS                                         
          7        DO_ICALL                                         $3      
          8        SEND_VAR                                                 $3
    8     9        DO_ICALL                                                 
   10    10      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NRipF
function name:  {closure}
number of ops:  6
compiled vars:  !0 = $col
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   RECV_VARIADIC                                    !0      
          1        INIT_FCALL                                               'array_sum'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $1      
          4      > RETURN                                                   $1
          5*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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143.74 ms | 1006 KiB | 16 Q