3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { const BAR = 'baz'; } $obj = new Foo(); var_dump( constant( get_class( $obj ) . '::BAR' ) );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8biAr
function name:  (null)
number of ops:  12
compiled vars:  !0 = $obj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   NEW                                              $1      'Foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   11     3        INIT_FCALL                                               'var_dump'
          4        INIT_FCALL                                               'constant'
          5        GET_CLASS                                        ~4      !0
          6        CONCAT                                           ~5      ~4, '%3A%3ABAR'
          7        SEND_VAL                                                 ~5
          8        DO_ICALL                                         $6      
          9        SEND_VAR                                                 $6
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Class Foo: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.12 ms | 1394 KiB | 17 Q