3v4l.org

run code in 300+ PHP versions simultaneously
<?php $root = array_map(function($v) { return 'cat'.$v; }, range(1,10)); //array( 1=>'cat1', 2=>'cat2', 3=>'cat3' ); $child_1 = array_map(function($v) { return 'sub_cat'.$v; },range(1,16)); //array( 1=>'sub_cat1', 2=>'sub_cat2', 3=>'sub_cat3' ); $child_2 = array_map(function($v) { return 'sub_sub_cat'.$v; },range(1,30)); //array( 1=>'sub_sub_cat1', 2=>'sub_sub_cat2', 3=>'sub_sub_cat3' ); function getAllCombinationsArray($source_arrays = array(), $kd = '', $vd = ''){ $return = array(); foreach(array_shift($source_arrays) as $ck => $cv) { if(!empty($source_arrays)) { $return += getAllCombinationsArray($source_arrays, $kd.$ck.'_', $vd.$cv.' -> '); } else { $return[$kd.$ck] = $vd.$cv; } } return $return; } print_r(getAllCombinationsArray(array($root, $child_1, $child_2)));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i7ZpP
function name:  (null)
number of ops:  40
compiled vars:  !0 = $root, !1 = $child_1, !2 = $child_2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'array_map'
          1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fi7ZpP%3A3%240'
          2        SEND_VAL                                                 ~3
          3        INIT_FCALL                                               'range'
          4        SEND_VAL                                                 1
          5        SEND_VAL                                                 10
          6        DO_ICALL                                         $4      
          7        SEND_VAR                                                 $4
          8        DO_ICALL                                         $5      
          9        ASSIGN                                                   !0, $5
    4    10        INIT_FCALL                                               'array_map'
         11        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fi7ZpP%3A4%241'
         12        SEND_VAL                                                 ~7
         13        INIT_FCALL                                               'range'
         14        SEND_VAL                                                 1
         15        SEND_VAL                                                 16
         16        DO_ICALL                                         $8      
         17        SEND_VAR                                                 $8
         18        DO_ICALL                                         $9      
         19        ASSIGN                                                   !1, $9
    5    20        INIT_FCALL                                               'array_map'
         21        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Fi7ZpP%3A5%242'
         22        SEND_VAL                                                 ~11
         23        INIT_FCALL                                               'range'
         24        SEND_VAL                                                 1
         25        SEND_VAL                                                 30
         26        DO_ICALL                                         $12     
         27        SEND_VAR                                                 $12
         28        DO_ICALL                                         $13     
         29        ASSIGN                                                   !2, $13
   21    30        INIT_FCALL                                               'print_r'
         31        INIT_FCALL                                               'getallcombinationsarray'
         32        INIT_ARRAY                                       ~15     !0
         33        ADD_ARRAY_ELEMENT                                ~15     !1
         34        ADD_ARRAY_ELEMENT                                ~15     !2
         35        SEND_VAL                                                 ~15
         36        DO_FCALL                                      0  $16     
         37        SEND_VAR                                                 $16
         38        DO_ICALL                                                 
         39      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Fi7ZpP%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i7ZpP
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        CONCAT                                           ~1      'cat', !0
          2      > RETURN                                                   ~1
          3*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fi7ZpP%3A3%240

Function %00%7Bclosure%7D%2Fin%2Fi7ZpP%3A4%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i7ZpP
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        CONCAT                                           ~1      'sub_cat', !0
          2      > RETURN                                                   ~1
          3*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fi7ZpP%3A4%241

Function %00%7Bclosure%7D%2Fin%2Fi7ZpP%3A5%242:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i7ZpP
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
          1        CONCAT                                           ~1      'sub_sub_cat', !0
          2      > RETURN                                                   ~1
          3*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fi7ZpP%3A5%242

Function getallcombinationsarray:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 8, Position 2 = 29
Branch analysis from position: 8
2 jumps found. (Code = 78) Position 1 = 9, Position 2 = 29
Branch analysis from position: 9
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 24
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 28
Branch analysis from position: 28
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
Branch analysis from position: 24
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
Branch analysis from position: 29
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 29
filename:       /in/i7ZpP
function name:  getAllCombinationsArray
number of ops:  32
compiled vars:  !0 = $source_arrays, !1 = $kd, !2 = $vd, !3 = $return, !4 = $cv, !5 = $ck
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV_INIT                                        !0      <array>
          1        RECV_INIT                                        !1      ''
          2        RECV_INIT                                        !2      ''
    8     3        ASSIGN                                                   !3, <array>
   10     4        INIT_FCALL                                               'array_shift'
          5        SEND_REF                                                 !0
          6        DO_ICALL                                         $7      
          7      > FE_RESET_R                                       $8      $7, ->29
          8    > > FE_FETCH_R                                       ~9      $8, !4, ->29
          9    >   ASSIGN                                                   !5, ~9
   11    10        ISSET_ISEMPTY_CV                                 ~11     !0
         11        BOOL_NOT                                         ~12     ~11
         12      > JMPZ                                                     ~12, ->24
   12    13    >   INIT_FCALL_BY_NAME                                       'getAllCombinationsArray'
         14        SEND_VAR_EX                                              !0
         15        CONCAT                                           ~13     !1, !5
         16        CONCAT                                           ~14     ~13, '_'
         17        SEND_VAL_EX                                              ~14
         18        CONCAT                                           ~15     !2, !4
         19        CONCAT                                           ~16     ~15, '+-%3E+'
         20        SEND_VAL_EX                                              ~16
         21        DO_FCALL                                      0  $17     
         22        ASSIGN_OP                                     1          !3, $17
         23      > JMP                                                      ->28
   14    24    >   CONCAT                                           ~19     !1, !5
         25        CONCAT                                           ~21     !2, !4
         26        ASSIGN_DIM                                               !3, ~19
         27        OP_DATA                                                  ~21
   10    28    > > JMP                                                      ->8
         29    >   FE_FREE                                                  $8
   18    30      > RETURN                                                   !3
   19    31*     > RETURN                                                   null

End of function getallcombinationsarray

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.27 ms | 1398 KiB | 22 Q