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<?php $list = ['item1','item2','item3','item4','item5','item6']; var_export( array_map(fn($row) => array_merge([999999], $row), array_chunk($list, 2)) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2dD6j
function name:  (null)
number of ops:  14
compiled vars:  !0 = $list
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1        INIT_FCALL                                               'var_export'
    6     2        INIT_FCALL                                               'array_map'
          3        DECLARE_LAMBDA_FUNCTION                          ~2      [0]
          4        SEND_VAL                                                 ~2
          5        INIT_FCALL                                               'array_chunk'
          6        SEND_VAR                                                 !0
          7        SEND_VAL                                                 2
          8        DO_ICALL                                         $3      
          9        SEND_VAR                                                 $3
         10        DO_ICALL                                         $4      
         11        SEND_VAR                                                 $4
    5    12        DO_ICALL                                                 
    7    13      > 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/2dD6j
function name:  {closure}
number of ops:  7
compiled vars:  !0 = $row
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   RECV                                             !0      
          1        INIT_FCALL                                               'array_merge'
          2        SEND_VAL                                                 <array>
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $1      
          5      > RETURN                                                   $1
          6*     > RETURN                                                   null

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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