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<?php function flup($level=0) { $out="nope"; echo "($level) flup. ($out)\n"; sleep(1); $level++; if($level==2) { $out="yep"; return($out); } else { return flup($level); } } echo "[".flup()."]\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Fd19N
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                               'flup'
          1        DO_FCALL                                      0  $0      
          2        CONCAT                                           ~1      '%5B', $0
          3        CONCAT                                           ~2      ~1, '%5D%0A'
          4        ECHO                                                     ~2
          5      > RETURN                                                   1

Function flup:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 14, Position 2 = 17
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Fd19N
function name:  flup
number of ops:  22
compiled vars:  !0 = $level, !1 = $out
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV_INIT                                        !0      0
    3     1        ASSIGN                                                   !1, 'nope'
    4     2        ROPE_INIT                                     5  ~4      '%28'
          3        ROPE_ADD                                      1  ~4      ~4, !0
          4        ROPE_ADD                                      2  ~4      ~4, '%29+flup.+%28'
          5        ROPE_ADD                                      3  ~4      ~4, !1
          6        ROPE_END                                      4  ~3      ~4, '%29%0A'
          7        ECHO                                                     ~3
    5     8        INIT_FCALL                                               'sleep'
          9        SEND_VAL                                                 1
         10        DO_ICALL                                                 
    6    11        PRE_INC                                                  !0
    7    12        IS_EQUAL                                                 !0, 2
         13      > JMPZ                                                     ~9, ->17
    8    14    >   ASSIGN                                                   !1, 'yep'
    9    15      > RETURN                                                   !1
    7    16*       JMP                                                      ->21
   11    17    >   INIT_FCALL_BY_NAME                                       'flup'
         18        SEND_VAR_EX                                              !0
         19        DO_FCALL                                      0  $11     
         20      > RETURN                                                   $11
   13    21*     > RETURN                                                   null

End of function flup

Generated using Vulcan Logic Dumper, using php 8.0.0


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