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<?php $array = [ [4, 3, 5, 7, 210], [4, 9, 5, 7, 210], [4, 9, 25, 7, 210], ]; var_export( array_map( function($row) { $row[array_key_last($row)] = array_product(array_slice($row, 0, -1)); return $row; }, $array ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZDk6B
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]
   14     4        SEND_VAL                                                 ~2
   15     5        SEND_VAR                                                 !0
   10     6        DO_ICALL                                         $3      
   15     7        SEND_VAR                                                 $3
    9     8        DO_ICALL                                                 
   17     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/ZDk6B
function name:  {closure}
number of ops:  16
compiled vars:  !0 = $row
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
   12     1        INIT_FCALL                                               'array_key_last'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $1      
          4        INIT_FCALL                                               'array_product'
          5        INIT_FCALL                                               'array_slice'
          6        SEND_VAR                                                 !0
          7        SEND_VAL                                                 0
          8        SEND_VAL                                                 -1
          9        DO_ICALL                                         $3      
         10        SEND_VAR                                                 $3
         11        DO_ICALL                                         $4      
         12        ASSIGN_DIM                                               !0, $1
         13        OP_DATA                                                  $4
   13    14      > RETURN                                                   !0
   14    15*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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