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<?php function foo($a, ...$arg /* = [] */) { var_dump($arg); // array() } foo(1); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8S0fa
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                                   'foo'
          1        SEND_VAL                                                     1
          2        DO_FCALL                                          0          
   10     3      > RETURN                                                       1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8S0fa
function name:  foo
number of ops:  6
compiled vars:  !0 = $a, !1 = $arg
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
          1        RECV_VARIADIC                                        !1      
    4     2        INIT_FCALL                                                   'var_dump'
          3        SEND_VAR                                                     !1
          4        DO_ICALL                                                     
    6     5      > RETURN                                                       null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.5.0


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