3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $f = function() { $a = yield -1; }; foreach ($f() as $i) { var_dump($i); }
based on 8iF0M
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 10
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 10
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
filename:       /in/3gKpc
function name:  (null)
number of ops:  12
compiled vars:  !0 = $f, !1 = $i
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F3gKpc0x7f0b49bb302c'
   5     1        ASSIGN                                                   !0, ~2
   7     2        INIT_DYNAMIC_CALL                                        !0
         3        DO_FCALL                                      0  $4      
         4      > FE_RESET_R                                       $5      $4, ->10
         5    > > FE_FETCH_R                                               $5, !1, ->10
   8     6    >   INIT_FCALL                                               'var_dump'
         7        SEND_VAR                                                 !1
         8        DO_ICALL                                                 
         9      > JMP                                                      ->5
        10    >   FE_FREE                                                  $5
   9    11      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2F3gKpc0x7f0b49bb302c:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/3gKpc
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $a
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   GENERATOR_CREATE                                         
   4     1        YIELD                                            $1      -1
         2        ASSIGN                                                   !0, $1
   5     3      > GENERATOR_RETURN                                         

End of function %00%7Bclosure%7D%2Fin%2F3gKpc0x7f0b49bb302c

Generated using Vulcan Logic Dumper, using php 7.3.0