3v4l.org

run code in 300+ PHP versions simultaneously
<?php class tmp{ public $a = 4; private $b = 5; public function setA($a){ $this->a = $a; } } $test = new tmp(); var_dump(json_encode($test)); $test->setA(10); var_dump(json_encode($test));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DuZkm
function name:  (null)
number of ops:  19
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   NEW                                              $1      'tmp'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   10     3        INIT_FCALL                                               'var_dump'
          4        INIT_FCALL                                               'json_encode'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $4      
          7        SEND_VAR                                                 $4
          8        DO_ICALL                                                 
   11     9        INIT_METHOD_CALL                                         !0, 'setA'
         10        SEND_VAL_EX                                              10
         11        DO_FCALL                                      0          
   12    12        INIT_FCALL                                               'var_dump'
         13        INIT_FCALL                                               'json_encode'
         14        SEND_VAR                                                 !0
         15        DO_ICALL                                         $7      
         16        SEND_VAR                                                 $7
         17        DO_ICALL                                                 
         18      > RETURN                                                   1

Class tmp:
Function seta:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/DuZkm
function name:  setA
number of ops:  4
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
    6     1        ASSIGN_OBJ                                               'a'
          2        OP_DATA                                                  !0
    7     3      > RETURN                                                   null

End of function seta

End of class tmp.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.41 ms | 1395 KiB | 17 Q