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<?php function gen1() { yield 1; yield 2; yield 3; } function wat($iter) { var_dump($iter->valid()); } function yf($iter) { $x = yield from $iter; var_dump($x); } // wat(gen1()); // wat([4, 5, 6]); // $g = yf([4, 5, 6]); $g = yf(gen1()); var_dump($g->current()); $g->send(10); var_dump($g->current());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/naOn3
function name:  (null)
number of ops:  20
compiled vars:  !0 = $g
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   21     0  E >   INIT_FCALL                                               'yf'
          1        INIT_FCALL                                               'gen1'
          2        DO_FCALL                                      0  $1      
          3        SEND_VAR                                                 $1
          4        DO_FCALL                                      0  $2      
          5        ASSIGN                                                   !0, $2
   22     6        INIT_FCALL                                               'var_dump'
          7        INIT_METHOD_CALL                                         !0, 'current'
          8        DO_FCALL                                      0  $4      
          9        SEND_VAR                                                 $4
         10        DO_ICALL                                                 
   23    11        INIT_METHOD_CALL                                         !0, 'send'
         12        SEND_VAL_EX                                              10
         13        DO_FCALL                                      0          
   24    14        INIT_FCALL                                               'var_dump'
         15        INIT_METHOD_CALL                                         !0, 'current'
         16        DO_FCALL                                      0  $7      
         17        SEND_VAR                                                 $7
         18        DO_ICALL                                                 
         19      > RETURN                                                   1

Function gen1:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/naOn3
function name:  gen1
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    4     1        YIELD                                                    1
    5     2        YIELD                                                    2
    6     3        YIELD                                                    3
    7     4      > GENERATOR_RETURN                                         

End of function gen1

Function wat:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/naOn3
function name:  wat
number of ops:  7
compiled vars:  !0 = $iter
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   RECV                                             !0      
   10     1        INIT_FCALL                                               'var_dump'
          2        INIT_METHOD_CALL                                         !0, 'valid'
          3        DO_FCALL                                      0  $1      
          4        SEND_VAR                                                 $1
          5        DO_ICALL                                                 
   11     6      > RETURN                                                   null

End of function wat

Function yf:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/naOn3
function name:  yf
number of ops:  8
compiled vars:  !0 = $iter, !1 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   RECV                                             !0      
          1        GENERATOR_CREATE                                         
   14     2        YIELD_FROM                                       ~2      !0
          3        ASSIGN                                                   !1, ~2
   15     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !1
          6        DO_ICALL                                                 
   16     7      > GENERATOR_RETURN                                         

End of function yf

Generated using Vulcan Logic Dumper, using php 8.0.0


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