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<?php $stack = new SplStack(); $stack->push("one"); $stack->push("two"); $serialized = $stack->serialize(); echo $stack->count(), "\n"; $stack->unserialize($serialized); echo $stack->count(), "\n"; $stack->unserialize($serialized); echo $stack->count(), "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/liV5Z
function name:  (null)
number of ops:  31
compiled vars:  !0 = $stack, !1 = $serialized
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'SplStack'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    4     3        INIT_METHOD_CALL                                         !0, 'push'
          4        SEND_VAL_EX                                              'one'
          5        DO_FCALL                                      0          
    5     6        INIT_METHOD_CALL                                         !0, 'push'
          7        SEND_VAL_EX                                              'two'
          8        DO_FCALL                                      0          
    7     9        INIT_METHOD_CALL                                         !0, 'serialize'
         10        DO_FCALL                                      0  $7      
         11        ASSIGN                                                   !1, $7
    8    12        INIT_METHOD_CALL                                         !0, 'count'
         13        DO_FCALL                                      0  $9      
         14        ECHO                                                     $9
         15        ECHO                                                     '%0A'
    9    16        INIT_METHOD_CALL                                         !0, 'unserialize'
         17        SEND_VAR_EX                                              !1
         18        DO_FCALL                                      0          
   10    19        INIT_METHOD_CALL                                         !0, 'count'
         20        DO_FCALL                                      0  $11     
         21        ECHO                                                     $11
         22        ECHO                                                     '%0A'
   11    23        INIT_METHOD_CALL                                         !0, 'unserialize'
         24        SEND_VAR_EX                                              !1
         25        DO_FCALL                                      0          
   12    26        INIT_METHOD_CALL                                         !0, 'count'
         27        DO_FCALL                                      0  $13     
         28        ECHO                                                     $13
         29        ECHO                                                     '%0A'
         30      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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