3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); final class Person { public function __construct( public readonly string $first, public readonly string $last ) { } } $json = '{"first": "Cher"}'; $data = json_decode($json); $person = new Person($data->first, $data->last);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JoNLT
function name:  (null)
number of ops:  15
compiled vars:  !0 = $json, !1 = $data, !2 = $person
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   ASSIGN                                                   !0, '%7B%22first%22%3A+%22Cher%22%7D'
   15     1        INIT_FCALL                                               'json_decode'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $4      
          4        ASSIGN                                                   !1, $4
   17     5        NEW                                              $6      'Person'
          6        CHECK_FUNC_ARG                                           
          7        FETCH_OBJ_FUNC_ARG                               $7      !1, 'first'
          8        SEND_FUNC_ARG                                            $7
          9        CHECK_FUNC_ARG                                           
         10        FETCH_OBJ_FUNC_ARG                               $8      !1, 'last'
         11        SEND_FUNC_ARG                                            $8
         12        DO_FCALL                                      0          
         13        ASSIGN                                                   !2, $6
         14      > RETURN                                                   1

Class Person:
Function __construct:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/JoNLT
function name:  __construct
number of ops:  7
compiled vars:  !0 = $first, !1 = $last
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        ASSIGN_OBJ                                               'first'
          3        OP_DATA                                                  !0
          4        ASSIGN_OBJ                                               'last'
          5        OP_DATA                                                  !1
   11     6      > RETURN                                                   null

End of function __construct

End of class Person.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
139.83 ms | 1445 KiB | 14 Q