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<?php $q = new \SplQueue(); var_dump($q->valid()); // false $q->rewind(); var_dump($q->valid()); // false $q->enqueue('a'); var_dump($q->valid()); // false var_dump($q->count()); // 1 $q->rewind(); var_dump($q->valid()); // true var_dump($q->count()); // 1
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/MvGTV
function name:  (null)
number of ops:  41
compiled vars:  !0 = $q
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'SplQueue'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    4     3        INIT_FCALL                                               'var_dump'
          4        INIT_METHOD_CALL                                         !0, 'valid'
          5        DO_FCALL                                      0  $4      
          6        SEND_VAR                                                 $4
          7        DO_ICALL                                                 
    5     8        INIT_METHOD_CALL                                         !0, 'rewind'
          9        DO_FCALL                                      0          
    6    10        INIT_FCALL                                               'var_dump'
         11        INIT_METHOD_CALL                                         !0, 'valid'
         12        DO_FCALL                                      0  $7      
         13        SEND_VAR                                                 $7
         14        DO_ICALL                                                 
    8    15        INIT_METHOD_CALL                                         !0, 'enqueue'
         16        SEND_VAL_EX                                              'a'
         17        DO_FCALL                                      0          
    9    18        INIT_FCALL                                               'var_dump'
         19        INIT_METHOD_CALL                                         !0, 'valid'
         20        DO_FCALL                                      0  $10     
         21        SEND_VAR                                                 $10
         22        DO_ICALL                                                 
   10    23        INIT_FCALL                                               'var_dump'
         24        INIT_METHOD_CALL                                         !0, 'count'
         25        DO_FCALL                                      0  $12     
         26        SEND_VAR                                                 $12
         27        DO_ICALL                                                 
   11    28        INIT_METHOD_CALL                                         !0, 'rewind'
         29        DO_FCALL                                      0          
   12    30        INIT_FCALL                                               'var_dump'
         31        INIT_METHOD_CALL                                         !0, 'valid'
         32        DO_FCALL                                      0  $15     
         33        SEND_VAR                                                 $15
         34        DO_ICALL                                                 
   13    35        INIT_FCALL                                               'var_dump'
         36        INIT_METHOD_CALL                                         !0, 'count'
         37        DO_FCALL                                      0  $17     
         38        SEND_VAR                                                 $17
         39        DO_ICALL                                                 
         40      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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