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<?php function foo($max) { $i = 0; while ($i <= $max) { yield $i; $i++; } } $generator = foo(9); foreach ($generator as $value) { echo $value . "\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 9
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 9
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/oYafh
function name:  (null)
number of ops:  11
compiled vars:  !0 = $generator, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'foo'
          1        SEND_VAL                                                 9
          2        DO_FCALL                                      0  $2      
          3        ASSIGN                                                   !0, $2
   11     4      > FE_RESET_R                                       $4      !0, ->9
          5    > > FE_FETCH_R                                               $4, !1, ->9
   12     6    >   CONCAT                                           ~5      !1, '%0A'
          7        ECHO                                                     ~5
   11     8      > JMP                                                      ->5
          9    >   FE_FREE                                                  $4
   13    10      > RETURN                                                   1

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

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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