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<?php function sumOfInts(int ...$ints) { return array_sum($ints); } var_dump(sumOfInts(2, '3', 4.1)); function sum($a, $b): int { return $a + $b; } var_dump(sum(1, 2)); var_dump(sum(1, 2.5));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GVVH4
function name:  (null)
number of ops:  23
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'sumofints'
          2        SEND_VAL                                                 2
          3        SEND_VAL                                                 '3'
          4        SEND_VAL                                                 4.1
          5        DO_FCALL                                      0  $0      
          6        SEND_VAR                                                 $0
          7        DO_ICALL                                                 
   15     8        INIT_FCALL                                               'var_dump'
          9        INIT_FCALL                                               'sum'
         10        SEND_VAL                                                 1
         11        SEND_VAL                                                 2
         12        DO_FCALL                                      0  $2      
         13        SEND_VAR                                                 $2
         14        DO_ICALL                                                 
   16    15        INIT_FCALL                                               'var_dump'
         16        INIT_FCALL                                               'sum'
         17        SEND_VAL                                                 1
         18        SEND_VAL                                                 2.5
         19        DO_FCALL                                      0  $4      
         20        SEND_VAR                                                 $4
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Function sumofints:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GVVH4
function name:  sumOfInts
number of ops:  6
compiled vars:  !0 = $ints
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV_VARIADIC                                    !0      
    6     1        INIT_FCALL                                               'array_sum'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $1      
          4      > RETURN                                                   $1
    7     5*     > RETURN                                                   null

End of function sumofints

Function sum:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GVVH4
function name:  sum
number of ops:  7
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   12     2        ADD                                              ~2      !0, !1
          3        VERIFY_RETURN_TYPE                                       ~2
          4      > RETURN                                                   ~2
   13     5*       VERIFY_RETURN_TYPE                                       
          6*     > RETURN                                                   null

End of function sum

Generated using Vulcan Logic Dumper, using php 8.0.0


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