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<?php function gen() { yield; yield; yield; yield; } function gen2() { yield null; yield null; yield null; yield null; } foreach(gen() as $v) var_dump($v); foreach(gen2() as $v) var_dump($v);
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
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 8
2 jumps found. (Code = 77) Position 1 = 12, Position 2 = 17
Branch analysis from position: 12
2 jumps found. (Code = 78) Position 1 = 13, Position 2 = 17
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 17
Branch analysis from position: 8
filename:       /in/mXgm7
function name:  (null)
number of ops:  19
compiled vars:  !0 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   19     0  E >   INIT_FCALL                                               'gen'
          1        DO_FCALL                                      0  $1      
          2      > FE_RESET_R                                       $2      $1, ->8
          3    > > FE_FETCH_R                                               $2, !0, ->8
          4    >   INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
          7      > JMP                                                      ->3
          8    >   FE_FREE                                                  $2
   23     9        INIT_FCALL                                               'gen2'
         10        DO_FCALL                                      0  $4      
         11      > FE_RESET_R                                       $5      $4, ->17
         12    > > FE_FETCH_R                                               $5, !0, ->17
         13    >   INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !0
         15        DO_ICALL                                                 
         16      > JMP                                                      ->12
         17    >   FE_FREE                                                  $5
         18      > RETURN                                                   1

Function gen:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/mXgm7
function name:  gen
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    5     1        YIELD                                                    
    6     2        YIELD                                                    
    7     3        YIELD                                                    
    8     4        YIELD                                                    
    9     5      > GENERATOR_RETURN                                         

End of function gen

Function gen2:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/mXgm7
function name:  gen2
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   GENERATOR_CREATE                                         
   13     1        YIELD                                                    null
   14     2        YIELD                                                    null
   15     3        YIELD                                                    null
   16     4        YIELD                                                    null
   17     5      > GENERATOR_RETURN                                         

End of function gen2

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
159.83 ms | 1403 KiB | 17 Q