3v4l.org

run code in 500+ PHP versions simultaneously
<?php class A { public function get(): iterable { return [17]; } } class B extends A { public function get(): iterable { yield 42; } } echo iterator_to_array((new B)->get())[0];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LVOQM
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   14     0  E >   INIT_FCALL                                                   'iterator_to_array'
          1        NEW                                                  $0      'B'
          2        DO_FCALL                                          0          
          3        INIT_METHOD_CALL                                             $0, 'get'
          4        DO_FCALL                                          0  $2      
          5        SEND_VAR                                                     $2
          6        DO_ICALL                                             $3      
          7        FETCH_DIM_R                                          ~4      $3, 0
          8        ECHO                                                         ~4
          9      > RETURN                                                       1

Class A:
Function get:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LVOQM
function name:  get
number of ops:  3
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    4     0  E > > RETURN                                                       <array>
    5     1*       VERIFY_RETURN_TYPE                                           
          2*     > RETURN                                                       null

End of function get

End of class A.

Class B:
Function get:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/LVOQM
function name:  get
number of ops:  3
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    9     0  E >   GENERATOR_CREATE                                             
   10     1        YIELD                                                        42
   11     2      > GENERATOR_RETURN                                             

End of function get

End of class B.

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
161.82 ms | 1447 KiB | 14 Q