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<?php function array_flatten($array) { $return = array(); foreach ($array as $key => $value) { if (is_array($value)){ $return = array_merge($return, array_flatten($value)); } else { $return[$key] = $value; } } return $return; } var_export(array_flatten([['a', 'b'], 'c']));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EjO6a
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   16     0  E >   INIT_FCALL                                                   'var_export'
          1        INIT_FCALL                                                   'array_flatten'
          2        SEND_VAL                                                     <array>
          3        DO_FCALL                                          0  $0      
          4        SEND_VAR                                                     $0
          5        DO_ICALL                                                     
          6      > RETURN                                                       1

Function array_flatten:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 19
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 19
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 16
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 18
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 16
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 19
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
filename:       /in/EjO6a
function name:  array_flatten
number of ops:  22
compiled vars:  !0 = $array, !1 = $return, !2 = $value, !3 = $key
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
    4     1        ASSIGN                                                       !1, <array>
    5     2      > FE_RESET_R                                           $5      !0, ->19
          3    > > FE_FETCH_R                                           ~6      $5, !2, ->19
          4    >   ASSIGN                                                       !3, ~6
    6     5        TYPE_CHECK                                      128          !2
          6      > JMPZ                                                         ~8, ->16
    7     7    >   INIT_FCALL                                                   'array_merge'
          8        SEND_VAR                                                     !1
          9        INIT_FCALL_BY_NAME                                           'array_flatten'
         10        SEND_VAR_EX                                                  !2
         11        DO_FCALL                                          0  $9      
         12        SEND_VAR                                                     $9
         13        DO_ICALL                                             $10     
         14        ASSIGN                                                       !1, $10
    6    15      > JMP                                                          ->18
    9    16    >   ASSIGN_DIM                                                   !1, !3
         17        OP_DATA                                                      !2
    5    18    > > JMP                                                          ->3
         19    >   FE_FREE                                                      $5
   13    20      > RETURN                                                       !1
   14    21*     > RETURN                                                       null

End of function array_flatten

Generated using Vulcan Logic Dumper, using php 8.5.0


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