3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(...$args) { var_dump($args); } $a = ['foo' => 1, 'bar' => 2]; $b = ['bar' => 3, 'foo' => 4]; foo( ...$a, ...$b );
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/X3ns5
function name:  (null)
number of ops:  8
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   ASSIGN                                                   !0, <array>
    8     1        ASSIGN                                                   !1, <array>
   11     2        INIT_FCALL                                               'foo'
          3        SEND_UNPACK                                              !0
          4        SEND_UNPACK                                              !1
          5        CHECK_UNDEF_ARGS                                         
          6        DO_FCALL                                      1          
          7      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/X3ns5
function name:  foo
number of ops:  5
compiled vars:  !0 = $args
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV_VARIADIC                                    !0      
    4     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
    5     4      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
187.61 ms | 1401 KiB | 16 Q