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<?php function VS($x, $y) { var_dump($x === $y); if ($x !== $y) { echo "Failed: $y\n"; echo "Got: $x\n"; var_dump(debug_backtrace()); } } function VERIFY($x) { VS($x != false, true); } ////////////////////////////////////////////////////////////////////// VERIFY(!is_object(null)); VERIFY(!is_object(123)); VERIFY(!is_object("test")); VERIFY(!is_object(array(123))); VERIFY(is_object(new stdclass)); VERIFY(!is_object($valid_res)); VERIFY(!is_object($invalid_res)); { $v = unserialize("O:8:\"stdClass\":1:{s:4:\"name\";s:5:\"value\";}"); VERIFY(is_object($v)); } { $v = unserialize("O:8:\"stdClass\":1:{s:7:\"\0*\0name\";s:5:\"value\";}"); VERIFY(is_object($v)); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/rqjt4
function name:  (null)
number of ops:  53
compiled vars:  !0 = $valid_res, !1 = $invalid_res, !2 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   INIT_FCALL                                               'verify'
          1        TYPE_CHECK                                  256  ~3      null
          2        BOOL_NOT                                         ~4      ~3
          3        SEND_VAL                                                 ~4
          4        DO_FCALL                                      0          
   13     5        INIT_FCALL                                               'verify'
          6        TYPE_CHECK                                  256  ~6      123
          7        BOOL_NOT                                         ~7      ~6
          8        SEND_VAL                                                 ~7
          9        DO_FCALL                                      0          
   14    10        INIT_FCALL                                               'verify'
         11        TYPE_CHECK                                  256  ~9      'test'
         12        BOOL_NOT                                         ~10     ~9
         13        SEND_VAL                                                 ~10
         14        DO_FCALL                                      0          
   15    15        INIT_FCALL                                               'verify'
         16        TYPE_CHECK                                  256  ~12     <array>
         17        BOOL_NOT                                         ~13     ~12
         18        SEND_VAL                                                 ~13
         19        DO_FCALL                                      0          
   16    20        INIT_FCALL                                               'verify'
         21        NEW                                              $15     'stdclass'
         22        DO_FCALL                                      0          
         23        TYPE_CHECK                                  256  ~17     $15
         24        SEND_VAL                                                 ~17
         25        DO_FCALL                                      0          
   17    26        INIT_FCALL                                               'verify'
         27        TYPE_CHECK                                  256  ~19     !0
         28        BOOL_NOT                                         ~20     ~19
         29        SEND_VAL                                                 ~20
         30        DO_FCALL                                      0          
   18    31        INIT_FCALL                                               'verify'
         32        TYPE_CHECK                                  256  ~22     !1
         33        BOOL_NOT                                         ~23     ~22
         34        SEND_VAL                                                 ~23
         35        DO_FCALL                                      0          
   21    36        INIT_FCALL                                               'unserialize'
         37        SEND_VAL                                                 'O%3A8%3A%22stdClass%22%3A1%3A%7Bs%3A4%3A%22name%22%3Bs%3A5%3A%22value%22%3B%7D'
         38        DO_ICALL                                         $25     
         39        ASSIGN                                                   !2, $25
   22    40        INIT_FCALL                                               'verify'
         41        TYPE_CHECK                                  256  ~27     !2
         42        SEND_VAL                                                 ~27
         43        DO_FCALL                                      0          
   25    44        INIT_FCALL                                               'unserialize'
         45        SEND_VAL                                                 'O%3A8%3A%22stdClass%22%3A1%3A%7Bs%3A7%3A%22%00%2A%00name%22%3Bs%3A5%3A%22value%22%3B%7D'
         46        DO_ICALL                                         $29     
         47        ASSIGN                                                   !2, $29
   26    48        INIT_FCALL                                               'verify'
         49        TYPE_CHECK                                  256  ~31     !2
         50        SEND_VAL                                                 ~31
         51        DO_FCALL                                      0          
   27    52      > RETURN                                                   1

Function vs:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 21
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 21
filename:       /in/rqjt4
function name:  VS
number of ops:  22
compiled vars:  !0 = $x, !1 = $y
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    4     2        INIT_FCALL                                               'var_dump'
          3        IS_IDENTICAL                                     ~2      !0, !1
          4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
    5     6        IS_NOT_IDENTICAL                                         !0, !1
          7      > JMPZ                                                     ~4, ->21
          8    >   ROPE_INIT                                     3  ~6      'Failed%3A+'
          9        ROPE_ADD                                      1  ~6      ~6, !1
         10        ROPE_END                                      2  ~5      ~6, '%0A'
         11        ECHO                                                     ~5
         12        ROPE_INIT                                     3  ~9      'Got%3A+'
         13        ROPE_ADD                                      1  ~9      ~9, !0
         14        ROPE_END                                      2  ~8      ~9, '%0A'
         15        ECHO                                                     ~8
    6    16        INIT_FCALL                                               'var_dump'
         17        INIT_FCALL                                               'debug_backtrace'
         18        DO_ICALL                                         $11     
         19        SEND_VAR                                                 $11
         20        DO_ICALL                                                 
    7    21    > > RETURN                                                   null

End of function vs

Function verify:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/rqjt4
function name:  VERIFY
number of ops:  7
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   RECV                                             !0      
          1        INIT_FCALL                                               'vs'
          2        BOOL                                             ~1      !0
          3        SEND_VAL                                                 ~1
          4        SEND_VAL                                                 <true>
          5        DO_FCALL                                      0          
          6      > RETURN                                                   null

End of function verify

Generated using Vulcan Logic Dumper, using php 8.0.0


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