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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 8.5.0


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