3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo (?int $foo = null, ?int $bar = null): void { var_dump(func_num_args()); } foo(bar: 5);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5X4Xu
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'foo'
          1        SEND_VAL                                                 5
          2        CHECK_UNDEF_ARGS                                         
          3        DO_FCALL                                      0          
          4      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5X4Xu
function name:  foo
number of ops:  7
compiled vars:  !0 = $foo, !1 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV_INIT                                        !0      null
          1        RECV_INIT                                        !1      null
    5     2        INIT_FCALL                                               'var_dump'
          3        FUNC_NUM_ARGS                                    ~2      
          4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
    6     6      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.7 ms | 1006 KiB | 15 Q