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<?php function foo() { static $x = 1; $x += 10; yield $x; $x += 100; yield $x; $x += 1000; yield $x; } $x = foo(); $x->rewind(); $x->rewind(); $x->rewind(); $x->rewind();
based on Q05YV
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/4OAUh
function name:  (null)
number of ops:  13
compiled vars:  !0 = $x
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   NOP                                                      
  12     1        INIT_FCALL                                               'foo'
         2        DO_FCALL                                      0  $1      
         3        ASSIGN                                                   !0, $1
  13     4        INIT_METHOD_CALL                                         !0, 'rewind'
         5        DO_FCALL                                      0          
  14     6        INIT_METHOD_CALL                                         !0, 'rewind'
         7        DO_FCALL                                      0          
  15     8        INIT_METHOD_CALL                                         !0, 'rewind'
         9        DO_FCALL                                      0          
  16    10        INIT_METHOD_CALL                                         !0, 'rewind'
        11        DO_FCALL                                      0          
        12      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/4OAUh
function name:  foo
number of ops:  9
compiled vars:  !0 = $x
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   4     0  E >   FETCH_W                      static              $1      'x'
         1        ASSIGN_REF                                               !0, $1
   5     2        ASSIGN_ADD                                    0          !0, 10
   6     3        YIELD                                                    !0
   7     4        ASSIGN_ADD                                    0          !0, 100
   8     5        YIELD                                                    !0
   9     6        ASSIGN_ADD                                    0          !0, 1000
  10     7        YIELD                                                    !0
  11     8      > GENERATOR_RETURN                                         

End of function foo

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