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<?php method_exists('SplFileObject', 'fread') or die("No SplFileObject::fread()"); $i=0; $file = new SplFileObject(__FILE__); while ($i++ < 1000 && ($chunk = $file->fread(10)) !== false) { var_dump($i, $chunk, $file->valid()); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 79) Position 1 = -2
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
2 jumps found. (Code = 46) Position 1 = 23, Position 2 = 29
Branch analysis from position: 23
2 jumps found. (Code = 44) Position 1 = 30, Position 2 = 13
Branch analysis from position: 30
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
2 jumps found. (Code = 46) Position 1 = 23, Position 2 = 29
Branch analysis from position: 23
Branch analysis from position: 29
Branch analysis from position: 29
filename:       /in/NWdDv
function name:  (null)
number of ops:  31
compiled vars:  !0 = $i, !1 = $file, !2 = $chunk
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'method_exists'
          1        SEND_VAL                                                 'SplFileObject'
          2        SEND_VAL                                                 'fread'
          3        DO_ICALL                                         $3      
          4      > JMPNZ_EX                                         ~4      $3, ->7
          5    > > EXIT                                                     'No+SplFileObject%3A%3Afread%28%29'
          6*       BOOL                                             ~4      <true>
    4     7    >   ASSIGN                                                   !0, 0
    5     8        NEW                                              $6      'SplFileObject'
          9        SEND_VAL_EX                                              '%2Fin%2FNWdDv'
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !1, $6
    6    12      > JMP                                                      ->20
    7    13    >   INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !0
         15        SEND_VAR                                                 !2
         16        INIT_METHOD_CALL                                         !1, 'valid'
         17        DO_FCALL                                      0  $9      
         18        SEND_VAR                                                 $9
         19        DO_ICALL                                                 
    6    20    >   POST_INC                                         ~11     !0
         21        IS_SMALLER                                       ~12     ~11, 1000
         22      > JMPZ_EX                                          ~12     ~12, ->29
         23    >   INIT_METHOD_CALL                                         !1, 'fread'
         24        SEND_VAL_EX                                              10
         25        DO_FCALL                                      0  $13     
         26        ASSIGN                                           ~14     !2, $13
         27        TYPE_CHECK                                  1018  ~15     ~14
         28        BOOL                                             ~12     ~15
         29    > > JMPNZ                                                    ~12, ->13
    8    30    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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155.73 ms | 1396 KiB | 17 Q