3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyList1 extends SplDoublyLinkedList { } $a = new MyList1(); var_dump($b=serialize($a)); var_dump(unserialize($b));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LZLUB
function name:  (null)
number of ops:  17
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   NEW                                              $2      'MyList1'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    6     3        INIT_FCALL                                               'var_dump'
          4        INIT_FCALL                                               'serialize'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $5      
          7        ASSIGN                                           ~6      !1, $5
          8        SEND_VAL                                                 ~6
          9        DO_ICALL                                                 
    7    10        INIT_FCALL                                               'var_dump'
         11        INIT_FCALL                                               'unserialize'
         12        SEND_VAR                                                 !1
         13        DO_ICALL                                         $8      
         14        SEND_VAR                                                 $8
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Class MyList1: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
149.43 ms | 1394 KiB | 19 Q