3v4l.org

run code in 300+ PHP versions simultaneously
<?php function simpleGenerator(){ yield "first"; yield "second"; yield "third"; for ($i = 0; $i < 3; $i++) yield $i; } foreach(simpleGenerator() as $g) { print $g; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 6
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 6
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
filename:       /in/SDi3g
function name:  (null)
number of ops:  8
compiled vars:  !0 = $g
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'simplegenerator'
          1        DO_FCALL                                      0  $1      
          2      > FE_RESET_R                                       $2      $1, ->6
          3    > > FE_FETCH_R                                               $2, !0, ->6
   10     4    >   ECHO                                                     !0
    9     5      > JMP                                                      ->3
          6    >   FE_FREE                                                  $2
   11     7      > RETURN                                                   1

Function simplegenerator:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 6
Branch analysis from position: 10
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 6
Branch analysis from position: 10
Branch analysis from position: 6
filename:       /in/SDi3g
function name:  simpleGenerator
number of ops:  11
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   GENERATOR_CREATE                                         
    3     1        YIELD                                                    'first'
    4     2        YIELD                                                    'second'
    5     3        YIELD                                                    'third'
    6     4        ASSIGN                                                   !0, 0
          5      > JMP                                                      ->8
    7     6    >   YIELD                                                    !0
    6     7        PRE_INC                                                  !0
          8    >   IS_SMALLER                                               !0, 3
          9      > JMPNZ                                                    ~7, ->6
    8    10    > > GENERATOR_RETURN                                         

End of function simplegenerator

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
147.32 ms | 1398 KiB | 14 Q