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<?php $array = [1,2,3,[5,6,7]]; $nu_array = null; $callback = function ( $item ) use(&$callback, &$nu_array) { if (!is_array($item)) { $nu_array[] = $item; } else if ( is_array( $item ) ) { foreach( array_values($item) as $v) { if ( !(is_array($v))) { $nu_array[] = $v; } else { $callback( $v ); continue; } } } }; array_walk($array, $callback); print_r($nu_array); $nu_array = []; array_walk_recursive($array, function ( $item ) use(&$nu_array ) { $nu_array[] = $item; } ); print_r($nu_array);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3LaNc
function name:  (null)
number of ops:  24
compiled vars:  !0 = $array, !1 = $nu_array, !2 = $callback
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
    4     1        ASSIGN                                                       !1, null
    5     2        DECLARE_LAMBDA_FUNCTION                              ~5      [0]
          3        BIND_LEXICAL                                                 ~5, !2
          4        BIND_LEXICAL                                                 ~5, !1
          5        ASSIGN                                                       !2, ~5
   24     6        INIT_FCALL                                                   'array_walk'
          7        SEND_REF                                                     !0
          8        SEND_VAR                                                     !2
          9        DO_ICALL                                                     
   25    10        INIT_FCALL                                                   'print_r'
         11        SEND_VAR                                                     !1
         12        DO_ICALL                                                     
   27    13        ASSIGN                                                       !1, <array>
   28    14        INIT_FCALL                                                   'array_walk_recursive'
         15        SEND_REF                                                     !0
         16        DECLARE_LAMBDA_FUNCTION                              ~10     [1]
         17        BIND_LEXICAL                                                 ~10, !1
   31    18        SEND_VAL                                                     ~10
   28    19        DO_ICALL                                                     
   33    20        INIT_FCALL                                                   'print_r'
         21        SEND_VAR                                                     !1
         22        DO_ICALL                                                     
         23      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 9
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 28
Branch analysis from position: 11
2 jumps found. (Code = 77) Position 1 = 15, Position 2 = 27
Branch analysis from position: 15
2 jumps found. (Code = 78) Position 1 = 16, Position 2 = 27
Branch analysis from position: 16
2 jumps found. (Code = 43) Position 1 = 19, Position 2 = 22
Branch analysis from position: 19
1 jumps found. (Code = 42) Position 1 = 26
Branch analysis from position: 26
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
Branch analysis from position: 27
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 27
Branch analysis from position: 28
filename:       /in/3LaNc
function name:  {closure:/in/3LaNc:5}
number of ops:  29
compiled vars:  !0 = $item, !1 = $callback, !2 = $nu_array, !3 = $v
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   RECV                                                 !0      
          1        BIND_STATIC                                                  !1
          2        BIND_STATIC                                                  !2
    6     3        TYPE_CHECK                                      128  ~4      !0
          4        BOOL_NOT                                             ~5      ~4
          5      > JMPZ                                                         ~5, ->9
    7     6    >   ASSIGN_DIM                                                   !2
          7        OP_DATA                                                      !0
    6     8      > JMP                                                          ->28
   10     9    >   TYPE_CHECK                                      128          !0
         10      > JMPZ                                                         ~7, ->28
   11    11    >   INIT_FCALL                                                   'array_values'
         12        SEND_VAR                                                     !0
         13        DO_ICALL                                             $8      
         14      > FE_RESET_R                                           $9      $8, ->27
         15    > > FE_FETCH_R                                                   $9, !3, ->27
   12    16    >   TYPE_CHECK                                      128  ~10     !3
         17        BOOL_NOT                                             ~11     ~10
         18      > JMPZ                                                         ~11, ->22
   13    19    >   ASSIGN_DIM                                                   !2
         20        OP_DATA                                                      !3
   12    21      > JMP                                                          ->26
   17    22    >   INIT_DYNAMIC_CALL                                            !1
         23        SEND_VAR_EX                                                  !3
         24        DO_FCALL                                          0          
   18    25      > JMP                                                          ->15
   11    26    > > JMP                                                          ->15
         27    >   FE_FREE                                                      $9
   22    28    > > RETURN                                                       null

End of Dynamic Function 0

Dynamic Function 1
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3LaNc
function name:  {closure:/in/3LaNc:28}
number of ops:  5
compiled vars:  !0 = $item, !1 = $nu_array
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   28     0  E >   RECV                                                 !0      
          1        BIND_STATIC                                                  !1
   30     2        ASSIGN_DIM                                                   !1
          3        OP_DATA                                                      !0
   31     4      > RETURN                                                       null

End of Dynamic Function 1

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