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<?php function foo($a, ...$args) { var_dump($args); } foo(...['a', 'b']);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iPgAP
function name:  (null)
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   INIT_FCALL                                               'foo'
          1        SEND_UNPACK                                              <array>
          2        CHECK_UNDEF_ARGS                                         
          3        DO_FCALL                                      1          
          4      > RETURN                                                   1

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

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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