3v4l.org

run code in 300+ PHP versions simultaneously
<?php function baz(){ yield 1; yield 2; yield 3; yield 4; return yield 5; } $f = baz(); foreach($f as $x) { $f->send(42); } var_dump($f->getReturn());
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/6cuPE
function name:  (null)
number of ops:  16
compiled vars:  !0 = $f, !1 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E >   INIT_FCALL                                               'baz'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   12     3      > FE_RESET_R                                       $4      !0, ->9
          4    > > FE_FETCH_R                                               $4, !1, ->9
   13     5    >   INIT_METHOD_CALL                                         !0, 'send'
          6        SEND_VAL_EX                                              42
          7        DO_FCALL                                      0          
   12     8      > JMP                                                      ->4
          9    >   FE_FREE                                                  $4
   15    10        INIT_FCALL                                               'var_dump'
         11        INIT_METHOD_CALL                                         !0, 'getReturn'
         12        DO_FCALL                                      0  $6      
         13        SEND_VAR                                                 $6
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Function baz:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/6cuPE
function name:  baz
number of ops:  8
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        YIELD                                                    4
    8     5        YIELD                                            $4      5
          6      > GENERATOR_RETURN                                         
    9     7*     > GENERATOR_RETURN                                         

End of function baz

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
126.87 ms | 1402 KiB | 16 Q