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<?php function strpose($haystack, $needle, $index = 0) { do { $pos = strpos($haystack, $needle, $index); if ($pos !== false) { if (!@trim($haystack[$pos-1])) { if (!@trim($haystack[($pos+strlen($needle))])) { return $pos; } else $index = $pos+1; } else $index = $pos+1; } else $index = $pos+1; } while ($pos !== false && $pos < strlen($haystack)); return $pos; } var_dump(strpose("Hello World", "ll")); var_dump(strpose("Hello World", "Hello")); var_dump(strpose("Hello Worlds", "World")); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/gXG8X
function name:  (null)
number of ops:  22
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'strpose'
          2        SEND_VAL                                                 'Hello+World'
          3        SEND_VAL                                                 'll'
          4        DO_FCALL                                      0  $0      
          5        SEND_VAR                                                 $0
          6        DO_ICALL                                                 
   20     7        INIT_FCALL                                               'var_dump'
          8        INIT_FCALL                                               'strpose'
          9        SEND_VAL                                                 'Hello+World'
         10        SEND_VAL                                                 'Hello'
         11        DO_FCALL                                      0  $2      
         12        SEND_VAR                                                 $2
         13        DO_ICALL                                                 
   21    14        INIT_FCALL                                               'var_dump'
         15        INIT_FCALL                                               'strpose'
         16        SEND_VAL                                                 'Hello+Worlds'
         17        SEND_VAL                                                 'World'
         18        DO_FCALL                                      0  $4      
         19        SEND_VAR                                                 $4
         20        DO_ICALL                                                 
   22    21      > RETURN                                                   1

Function strpose:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 38
Branch analysis from position: 11
2 jumps found. (Code = 43) Position 1 = 20, Position 2 = 35
Branch analysis from position: 20
2 jumps found. (Code = 43) Position 1 = 30, Position 2 = 32
Branch analysis from position: 30
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 32
1 jumps found. (Code = 42) Position 1 = 37
Branch analysis from position: 37
1 jumps found. (Code = 42) Position 1 = 40
Branch analysis from position: 40
2 jumps found. (Code = 46) Position 1 = 42, Position 2 = 45
Branch analysis from position: 42
2 jumps found. (Code = 44) Position 1 = 46, Position 2 = 3
Branch analysis from position: 46
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
Branch analysis from position: 45
Branch analysis from position: 35
1 jumps found. (Code = 42) Position 1 = 40
Branch analysis from position: 40
Branch analysis from position: 38
2 jumps found. (Code = 46) Position 1 = 42, Position 2 = 45
Branch analysis from position: 42
Branch analysis from position: 45
filename:       /in/gXG8X
function name:  strpose
number of ops:  48
compiled vars:  !0 = $haystack, !1 = $needle, !2 = $index, !3 = $pos
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV_INIT                                        !2      0
    5     3    >   INIT_FCALL                                               'strpos'
          4        SEND_VAR                                                 !0
          5        SEND_VAR                                                 !1
          6        SEND_VAR                                                 !2
          7        DO_ICALL                                         $4      
          8        ASSIGN                                                   !3, $4
    6     9        TYPE_CHECK                                  1018          !3
         10      > JMPZ                                                     ~6, ->38
    7    11    >   BEGIN_SILENCE                                    ~7      
         12        INIT_FCALL                                               'trim'
         13        SUB                                              ~8      !3, 1
         14        FETCH_DIM_R                                      ~9      !0, ~8
         15        SEND_VAL                                                 ~9
         16        DO_ICALL                                         $10     
         17        END_SILENCE                                              ~7
         18        BOOL_NOT                                         ~11     $10
         19      > JMPZ                                                     ~11, ->35
    8    20    >   BEGIN_SILENCE                                    ~12     
         21        INIT_FCALL                                               'trim'
         22        STRLEN                                           ~13     !1
         23        ADD                                              ~14     !3, ~13
         24        FETCH_DIM_R                                      ~15     !0, ~14
         25        SEND_VAL                                                 ~15
         26        DO_ICALL                                         $16     
         27        END_SILENCE                                              ~12
         28        BOOL_NOT                                         ~17     $16
         29      > JMPZ                                                     ~17, ->32
    9    30    > > RETURN                                                   !3
         31*       JMP                                                      ->34
   10    32    >   ADD                                              ~18     !3, 1
         33        ASSIGN                                                   !2, ~18
         34      > JMP                                                      ->37
   11    35    >   ADD                                              ~20     !3, 1
         36        ASSIGN                                                   !2, ~20
         37    > > JMP                                                      ->40
   12    38    >   ADD                                              ~22     !3, 1
         39        ASSIGN                                                   !2, ~22
   14    40    >   TYPE_CHECK                                  1018  ~24     !3
         41      > JMPZ_EX                                          ~24     ~24, ->45
         42    >   STRLEN                                           ~25     !0
         43        IS_SMALLER                                       ~26     !3, ~25
         44        BOOL                                             ~24     ~26
         45    > > JMPNZ                                                    ~24, ->3
   16    46    > > RETURN                                                   !3
   17    47*     > RETURN                                                   null

End of function strpose

Generated using Vulcan Logic Dumper, using php 8.0.0


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