3v4l.org

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

Class Foo: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
148.79 ms | 1385 KiB | 19 Q