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<?php $array = [ [4, 3, 5, 7, 210], [4, 9, 5, 7, 210], [4, 9, 25, 7, 210], ]; var_export( array_map( fn($row) => $row + [array_key_last($row) => array_product($row) / array_pop($row)], $array ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RDqtT
function name:  (null)
number of ops:  10
compiled vars:  !0 = $array
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    9     1        INIT_FCALL                                                   'var_export'
   10     2        INIT_FCALL                                                   'array_map'
   11     3        DECLARE_LAMBDA_FUNCTION                              ~2      [0]
          4        SEND_VAL                                                     ~2
   12     5        SEND_VAR                                                     !0
   10     6        DO_ICALL                                             $3      
   12     7        SEND_VAR                                                     $3
    9     8        DO_ICALL                                                     
   14     9      > 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/RDqtT
function name:  {closure:/in/RDqtT:11}
number of ops:  15
compiled vars:  !0 = $row
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   11     0  E >   RECV                                                 !0      
          1        INIT_FCALL                                                   'array_key_last'
          2        SEND_VAR                                                     !0
          3        DO_ICALL                                             $1      
          4        INIT_FCALL                                                   'array_product'
          5        SEND_VAR                                                     !0
          6        DO_ICALL                                             $2      
          7        INIT_FCALL                                                   'array_pop'
          8        SEND_REF                                                     !0
          9        DO_ICALL                                             $3      
         10        DIV                                                  ~4      $2, $3
         11        INIT_ARRAY                                           ~5      ~4, $1
         12        ADD                                                  ~6      !0, ~5
         13      > RETURN                                                       ~6
         14*     > RETURN                                                       null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.5.0


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