3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo implements IteratorAggregate { public function getIterator() { return new ArrayIterator([]); }} function foo(iterable $bar) { var_dump($bar); } foo(new Foo());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ios53
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_CLASS                                            'foo'
    7     1        INIT_FCALL                                               'foo'
          2        NEW                                              $0      'Foo'
          3        DO_FCALL                                      0          
          4        SEND_VAR                                                 $0
          5        DO_FCALL                                      0          
          6      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ios53
function name:  foo
number of ops:  5
compiled vars:  !0 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
          1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
          4      > RETURN                                                   null

End of function foo

Class Foo:
Function getiterator:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ios53
function name:  getIterator
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $0      'ArrayIterator'
          1        SEND_VAL_EX                                              <array>
          2        DO_FCALL                                      0          
          3      > RETURN                                                   $0
          4*     > RETURN                                                   null

End of function getiterator

End of class Foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
127.6 ms | 1402 KiB | 16 Q