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<?php class Foo {} $foo = new Foo; $s = new SplObjectStorage; echo $s->count(), PHP_EOL; // 0 $s->attach($foo); echo $s->count(), PHP_EOL; // 1 $s->attach($foo); echo $s->count(), PHP_EOL; // 1 $s->detach($foo); echo $s->count(), PHP_EOL; // 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Rft7i
function name:  (null)
number of ops:  32
compiled vars:  !0 = $foo, !1 = $s
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   NEW                                              $2      'Foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    5     3        NEW                                              $5      'SplObjectStorage'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $5
    6     6        INIT_METHOD_CALL                                         !1, 'count'
          7        DO_FCALL                                      0  $8      
          8        ECHO                                                     $8
          9        ECHO                                                     '%0A'
    8    10        INIT_METHOD_CALL                                         !1, 'attach'
         11        SEND_VAR_EX                                              !0
         12        DO_FCALL                                      0          
    9    13        INIT_METHOD_CALL                                         !1, 'count'
         14        DO_FCALL                                      0  $10     
         15        ECHO                                                     $10
         16        ECHO                                                     '%0A'
   11    17        INIT_METHOD_CALL                                         !1, 'attach'
         18        SEND_VAR_EX                                              !0
         19        DO_FCALL                                      0          
   12    20        INIT_METHOD_CALL                                         !1, 'count'
         21        DO_FCALL                                      0  $12     
         22        ECHO                                                     $12
         23        ECHO                                                     '%0A'
   14    24        INIT_METHOD_CALL                                         !1, 'detach'
         25        SEND_VAR_EX                                              !0
         26        DO_FCALL                                      0          
   15    27        INIT_METHOD_CALL                                         !1, 'count'
         28        DO_FCALL                                      0  $14     
         29        ECHO                                                     $14
         30        ECHO                                                     '%0A'
         31      > RETURN                                                   1

Class Foo: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


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