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<?php function gen_one_to_three() { $y=[1,4,7]; foreach ($y as $x) { if($x > 1) yield $x; } } $generator = gen_one_to_three(); foreach ($generator as $value) { echo "$value\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 9
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 9
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/4Jme4
function name:  (null)
number of ops:  11
compiled vars:  !0 = $generator, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   INIT_FCALL                                               'gen_one_to_three'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   13     3      > FE_RESET_R                                       $4      !0, ->9
          4    > > FE_FETCH_R                                               $4, !1, ->9
   14     5    >   NOP                                                      
          6        FAST_CONCAT                                      ~5      !1, '%0A'
          7        ECHO                                                     ~5
   13     8      > JMP                                                      ->4
          9    >   FE_FREE                                                  $4
   15    10      > RETURN                                                   1

Function gen_one_to_three:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 7
Branch analysis from position: 8
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 8
filename:       /in/4Jme4
function name:  gen_one_to_three
number of ops:  10
compiled vars:  !0 = $y, !1 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   GENERATOR_CREATE                                         
    3     1        ASSIGN                                                   !0, <array>
    5     2      > FE_RESET_R                                       $3      !0, ->8
          3    > > FE_FETCH_R                                               $3, !1, ->8
    8     4    >   IS_SMALLER                                               1, !1
          5      > JMPZ                                                     ~4, ->7
          6    >   YIELD                                                    !1
    5     7    > > JMP                                                      ->3
          8    >   FE_FREE                                                  $3
   10     9      > GENERATOR_RETURN                                         

End of function gen_one_to_three

Generated using Vulcan Logic Dumper, using php 8.0.0


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160.93 ms | 1399 KiB | 14 Q