3v4l.org

run code in 500+ PHP versions simultaneously
<?php class C { public $a = true; public function __sleep() { return ['a', '1']; } } $a = new C; $s = serialize($a); var_dump($s); var_dump(unserialize($s));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kupOg
function name:  (null)
number of ops:  17
compiled vars:  !0 = $a, !1 = $s
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   11     0  E >   NEW                                                  $2      'C'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $2
   13     3        INIT_FCALL                                                   'serialize'
          4        SEND_VAR                                                     !0
          5        DO_ICALL                                             $5      
          6        ASSIGN                                                       !1, $5
   14     7        INIT_FCALL                                                   'var_dump'
          8        SEND_VAR                                                     !1
          9        DO_ICALL                                                     
   15    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 C:
Function __sleep:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kupOg
function name:  __sleep
number of ops:  2
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    7     0  E > > RETURN                                                       <array>
    8     1*     > RETURN                                                       null

End of function __sleep

End of class C.

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
201.46 ms | 3000 KiB | 16 Q