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<?php function iterator() { for ($i = 1; $i <= 10; $i++) { yield $i; } } $generator = iterator(); foreach ($generator as $val) { echo $val; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/bJgLT
function name:  (null)
number of ops:  9
compiled vars:  !0 = $generator, !1 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   INIT_FCALL                                               'iterator'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   12     3      > FE_RESET_R                                       $4      !0, ->7
          4    > > FE_FETCH_R                                               $4, !1, ->7
   14     5    >   ECHO                                                     !1
   12     6      > JMP                                                      ->4
          7    >   FE_FREE                                                  $4
   15     8      > RETURN                                                   1

Function iterator:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 3
Branch analysis from position: 7
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 3
Branch analysis from position: 7
Branch analysis from position: 3
filename:       /in/bJgLT
function name:  iterator
number of ops:  8
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   GENERATOR_CREATE                                         
    5     1        ASSIGN                                                   !0, 1
          2      > JMP                                                      ->5
    7     3    >   YIELD                                                    !0
    5     4        PRE_INC                                                  !0
          5    >   IS_SMALLER_OR_EQUAL                                      !0, 10
          6      > JMPNZ                                                    ~4, ->3
    9     7    > > GENERATOR_RETURN                                         

End of function iterator

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