3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = function () { yield 1; echo 'hello'; yield 2; yield 3; echo 'world'; yield 4; }; foreach ($x() as $y) { echo $y; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 8
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/lr4ql
function name:  (null)
number of ops:  10
compiled vars:  !0 = $x, !1 = $y
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Flr4ql%3A3%240'
          1        ASSIGN                                                   !0, ~2
   13     2        INIT_DYNAMIC_CALL                                        !0
          3        DO_FCALL                                      0  $4      
          4      > FE_RESET_R                                       $5      $4, ->8
          5    > > FE_FETCH_R                                               $5, !1, ->8
   14     6    >   ECHO                                                     !1
   13     7      > JMP                                                      ->5
          8    >   FE_FREE                                                  $5
   15     9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Flr4ql%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/lr4ql
function name:  {closure}
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    5     1        YIELD                                                    1
    6     2        ECHO                                                     'hello'
    7     3        YIELD                                                    2
    8     4        YIELD                                                    3
    9     5        ECHO                                                     'world'
   10     6        YIELD                                                    4
   11     7      > GENERATOR_RETURN                                         

End of function %00%7Bclosure%7D%2Fin%2Flr4ql%3A3%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
177.33 ms | 1394 KiB | 13 Q