3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait tSB_FormFieldObject { } function test($a=null) { echo (isset($a->Test)); } test($a); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IPPi0
function name:  (null)
number of ops:  4
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'test'
          1        SEND_VAR                                                 !0
          2        DO_FCALL                                      0          
    9     3      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IPPi0
function name:  test
number of ops:  4
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV_INIT                                        !0      null
    5     1        ISSET_ISEMPTY_PROP_OBJ                           ~1      !0, 'Test'
          2        ECHO                                                     ~1
    6     3      > RETURN                                                   null

End of function test

Class tSB_FormFieldObject: [no user functions]

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.98 ms | 1396 KiB | 14 Q