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<?php $array1 = [ 31 => ['a', 'b'], 49 => ['c', 'd'], 28 => ['e', 'f'] ]; $array2 = [1, 2, 3]; function mapper($array1, $array2) { $i = -1; var_export( array_map(fn($row) => array_merge($row, [$array2[++$i]]), $array1) ); } function looper($array1, $array2) { $i = -1; foreach ($array1 as &$row) { array_push($row, $array2[++$i]); } var_export($array1); } function walker($array1, $array2) { $i = -1; array_walk($array1, fn(&$row, $k) => array_push($row, $array2[++$i])); var_export($array1); } mapper($array1, $array2); echo "\n---\n"; looper($array1, $array2); echo "\n---\n"; walker($array1, $array2);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/afGvZ
function name:  (null)
number of ops:  17
compiled vars:  !0 = $array1, !1 = $array2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    9     1        ASSIGN                                                   !1, <array>
   32     2        INIT_FCALL                                               'mapper'
          3        SEND_VAR                                                 !0
          4        SEND_VAR                                                 !1
          5        DO_FCALL                                      0          
   33     6        ECHO                                                     '%0A---%0A'
   34     7        INIT_FCALL                                               'looper'
          8        SEND_VAR                                                 !0
          9        SEND_VAR                                                 !1
         10        DO_FCALL                                      0          
   35    11        ECHO                                                     '%0A---%0A'
   36    12        INIT_FCALL                                               'walker'
         13        SEND_VAR                                                 !0
         14        SEND_VAR                                                 !1
         15        DO_FCALL                                      0          
         16      > RETURN                                                   1

Function mapper:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/afGvZ
function name:  mapper
number of ops:  14
compiled vars:  !0 = $array1, !1 = $array2, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   12     2        ASSIGN                                                   !2, -1
   13     3        INIT_FCALL                                               'var_export'
   14     4        INIT_FCALL                                               'array_map'
          5        DECLARE_LAMBDA_FUNCTION                          ~4      [0]
          6        BIND_LEXICAL                                             ~4, !1
          7        BIND_LEXICAL                                             ~4, !2
          8        SEND_VAL                                                 ~4
          9        SEND_VAR                                                 !0
         10        DO_ICALL                                         $5      
         11        SEND_VAR                                                 $5
   13    12        DO_ICALL                                                 
   16    13      > RETURN                                                   null


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/afGvZ
function name:  {closure}
number of ops:  12
compiled vars:  !0 = $row, !1 = $array2, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
          2        BIND_STATIC                                              !2
          3        INIT_FCALL                                               'array_merge'
          4        SEND_VAR                                                 !0
          5        PRE_INC                                          ~3      !2
          6        FETCH_DIM_R                                      ~4      !1, ~3
          7        INIT_ARRAY                                       ~5      ~4
          8        SEND_VAL                                                 ~5
          9        DO_ICALL                                         $6      
         10      > RETURN                                                   $6
         11*     > RETURN                                                   null

End of Dynamic Function 0

End of function mapper

Function looper:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 4, Position 2 = 12
Branch analysis from position: 4
2 jumps found. (Code = 126) Position 1 = 5, Position 2 = 12
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/afGvZ
function name:  looper
number of ops:  17
compiled vars:  !0 = $array1, !1 = $array2, !2 = $i, !3 = $row
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   18     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   19     2        ASSIGN                                                   !2, -1
   20     3      > FE_RESET_RW                                      $5      !0, ->12
          4    > > FE_FETCH_RW                                              $5, !3, ->12
   21     5    >   INIT_FCALL                                               'array_push'
          6        SEND_REF                                                 !3
          7        PRE_INC                                          ~6      !2
          8        FETCH_DIM_R                                      ~7      !1, ~6
          9        SEND_VAL                                                 ~7
         10        DO_ICALL                                                 
   20    11      > JMP                                                      ->4
         12    >   FE_FREE                                                  $5
   23    13        INIT_FCALL                                               'var_export'
         14        SEND_VAR                                                 !0
         15        DO_ICALL                                                 
   24    16      > RETURN                                                   null

End of function looper

Function walker:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/afGvZ
function name:  walker
number of ops:  14
compiled vars:  !0 = $array1, !1 = $array2, !2 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   26     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   27     2        ASSIGN                                                   !2, -1
   28     3        INIT_FCALL                                               'array_walk'
          4        SEND_REF                                                 !0
          5        DECLARE_LAMBDA_FUNCTION                          ~4      [0]
          6        BIND_LEXICAL                                             ~4, !1
          7        BIND_LEXICAL                                             ~4, !2
          8        SEND_VAL                                                 ~4
          9        DO_ICALL                                                 
   29    10        INIT_FCALL                                               'var_export'
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                                 
   30    13      > RETURN                                                   null


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/afGvZ
function name:  {closure}
number of ops:  12
compiled vars:  !0 = $row, !1 = $k, !2 = $array2, !3 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   28     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        BIND_STATIC                                              !2
          3        BIND_STATIC                                              !3
          4        INIT_FCALL                                               'array_push'
          5        SEND_REF                                                 !0
          6        PRE_INC                                          ~4      !3
          7        FETCH_DIM_R                                      ~5      !2, ~4
          8        SEND_VAL                                                 ~5
          9        DO_ICALL                                         $6      
         10      > RETURN                                                   $6
         11*     > RETURN                                                   null

End of Dynamic Function 0

End of function walker

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