3v4l.org

run code in 300+ PHP versions simultaneously
<?php function myFunc(MyObject $myObj = null) { echo "hello world"; } // this is allowed myFunc(null); // this produces a fatal error myFunc();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ACqeu
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'myfunc'
          1        SEND_VAL                                                 null
          2        DO_FCALL                                      0          
   10     3        INIT_FCALL                                               'myfunc'
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Function myfunc:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ACqeu
function name:  myFunc
number of ops:  3
compiled vars:  !0 = $myObj
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV_INIT                                        !0      null
    5     1        ECHO                                                     'hello+world'
    6     2      > RETURN                                                   null

End of function myfunc

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
128.98 ms | 1400 KiB | 15 Q