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

Function generator:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 4
Branch analysis from position: 3
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 4
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/QsQoF
function name:  generator
number of ops:  6
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    4     1        ISSET_ISEMPTY_CV                                         !0
          2      > JMPZ                                                     ~1, ->4
    5     3    > > GENERATOR_RETURN                                         
    7     4    >   YIELD                                                    1
    8     5      > GENERATOR_RETURN                                         

End of function generator

Generated using Vulcan Logic Dumper, using php 8.0.0


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