3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo(Bar $b, $c) {} foo(null, 1);
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/EYJW8
function name:  (null)
number of ops:  6
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   NOP                                                      
   5     1        INIT_FCALL                                               'foo'
         2        SEND_VAL                                                 null
         3        SEND_VAL                                                 1
         4        DO_FCALL                                      0          
         5      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/EYJW8
function name:  foo
number of ops:  3
compiled vars:  !0 = $b, !1 = $c
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   RECV                                             !0      
         1        RECV                                             !1      
         2      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 7.3.0