3v4l.org

run code in 500+ PHP versions simultaneously
<?php class a {} $a = new A; var_dump($a instanceof object); // false var_dump(is_object($a)); // true
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/sAfXJ
function name:  (null)
number of ops:  12
compiled vars:  !0 = $a
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   NEW                                                  $1      'A'
          1        DO_FCALL                                          0          
          2        ASSIGN                                                       !0, $1
    6     3        INIT_FCALL                                                   'var_dump'
          4        INSTANCEOF                                           ~4      !0, 'object'
          5        SEND_VAL                                                     ~4
          6        DO_ICALL                                                     
    7     7        INIT_FCALL                                                   'var_dump'
          8        TYPE_CHECK                                      256  ~6      !0
          9        SEND_VAL                                                     ~6
         10        DO_ICALL                                                     
         11      > RETURN                                                       1

Class a: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
152.37 ms | 883 KiB | 9 Q