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<?php function getData() { $a[0] = &$a; return $a; } function recurcive(&$data) { $data[] = 'X'; if (end($data[0]) !== 'X') { recurcive($data[0]); } } $data = getData(); recurcive($data);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MFjQI
function name:  (null)
number of ops:  7
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   18     0  E >   INIT_FCALL                                               'getdata'
          1        DO_FCALL                                      0  $1      
          2        ASSIGN                                                   !0, $1
   19     3        INIT_FCALL                                               'recurcive'
          4        SEND_REF                                                 !0
          5        DO_FCALL                                      0          
          6      > RETURN                                                   1

Function getdata:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MFjQI
function name:  getData
number of ops:  4
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   FETCH_DIM_W                                      $1      !0, 0
          1        ASSIGN_REF                                               $1, !0
    7     2      > RETURN                                                   !0
    8     3*     > RETURN                                                   null

End of function getdata

Function recurcive:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 14
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/MFjQI
function name:  recurcive
number of ops:  15
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   RECV                                             !0      
   12     1        ASSIGN_DIM                                               !0
          2        OP_DATA                                                  'X'
   13     3        INIT_FCALL                                               'end'
          4        FETCH_DIM_W                                      $2      !0, 0
          5        SEND_REF                                                 $2
          6        DO_ICALL                                         $3      
          7        IS_NOT_IDENTICAL                                         $3, 'X'
          8      > JMPZ                                                     ~4, ->14
   14     9    >   INIT_FCALL_BY_NAME                                       'recurcive'
         10        CHECK_FUNC_ARG                                           
         11        FETCH_DIM_FUNC_ARG                               $5      !0, 0
         12        SEND_FUNC_ARG                                            $5
         13        DO_FCALL                                      0          
   16    14    > > RETURN                                                   null

End of function recurcive

Generated using Vulcan Logic Dumper, using php 8.0.0


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