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<?php function flatten(array $nestedArraysAndStrings){ $flat=[]; $iter = new RecursiveIteratorIterator( new RecursiveArrayIterator($nestedArraysAndStrings)); foreach($iter as $leaf){ $flat[] = $leaf; } return join(NULL, $flat); } $noRefs = [[[['some']]],[' nested ']," items n"]; $withRefs = []+$noRefs; $wat = $noRefs[0]; $withRefs[0] = &$wat; echo flatten($noRefs); echo flatten($withRefs);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/up3me
function name:  (null)
number of ops:  16
compiled vars:  !0 = $noRefs, !1 = $withRefs, !2 = $wat
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   ASSIGN                                                   !0, <array>
   13     1        ADD                                              ~4      <array>, !0
          2        ASSIGN                                                   !1, ~4
   14     3        FETCH_DIM_R                                      ~6      !0, 0
          4        ASSIGN                                                   !2, ~6
   15     5        FETCH_DIM_W                                      $8      !1, 0
          6        ASSIGN_REF                                               $8, !2
   17     7        INIT_FCALL                                               'flatten'
          8        SEND_VAR                                                 !0
          9        DO_FCALL                                      0  $10     
         10        ECHO                                                     $10
   18    11        INIT_FCALL                                               'flatten'
         12        SEND_VAR                                                 !1
         13        DO_FCALL                                      0  $11     
         14        ECHO                                                     $11
         15      > RETURN                                                   1

Function flatten:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 10, Position 2 = 14
Branch analysis from position: 10
2 jumps found. (Code = 78) Position 1 = 11, Position 2 = 14
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/up3me
function name:  flatten
number of ops:  21
compiled vars:  !0 = $nestedArraysAndStrings, !1 = $flat, !2 = $iter, !3 = $leaf
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        ASSIGN                                                   !1, <array>
    5     2        NEW                                              $5      'RecursiveIteratorIterator'
    6     3        NEW                                              $6      'RecursiveArrayIterator'
          4        SEND_VAR_EX                                              !0
          5        DO_FCALL                                      0          
          6        SEND_VAR_NO_REF_EX                                       $6
          7        DO_FCALL                                      0          
    5     8        ASSIGN                                                   !2, $5
    7     9      > FE_RESET_R                                       $10     !2, ->14
         10    > > FE_FETCH_R                                               $10, !3, ->14
         11    >   ASSIGN_DIM                                               !1
         12        OP_DATA                                                  !3
         13      > JMP                                                      ->10
         14    >   FE_FREE                                                  $10
    8    15        INIT_FCALL                                               'join'
         16        SEND_VAL                                                 null
         17        SEND_VAR                                                 !1
         18        DO_ICALL                                         $12     
         19      > RETURN                                                   $12
    9    20*     > RETURN                                                   null

End of function flatten

Generated using Vulcan Logic Dumper, using php 8.0.0


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