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<?php function ping_pong() { for ($i = 1; $i <= 10; $i++) { echo 'a' . $i; $val = (yield $i); echo 'b' . $i; echo 'ping: ' . $val . PHP_EOL; echo 'c' . $i; } } $generator = ping_pong(); foreach ($generator as $value) { echo 'pong: ' . $generator->send($value) . PHP_EOL; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 12
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 12
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/4jsPq
function name:  (null)
number of ops:  14
compiled vars:  !0 = $generator, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                               'ping_pong'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   16     3      > FE_RESET_R                                       $4      !0, ->12
          4    > > FE_FETCH_R                                               $4, !1, ->12
   18     5    >   INIT_METHOD_CALL                                         !0, 'send'
          6        SEND_VAR_EX                                              !1
          7        DO_FCALL                                      0  $5      
          8        CONCAT                                           ~6      'pong%3A+', $5
          9        CONCAT                                           ~7      ~6, '%0A'
         10        ECHO                                                     ~7
   16    11      > JMP                                                      ->4
         12    >   FE_FREE                                                  $4
   19    13      > RETURN                                                   1

Function ping_pong:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 3
Branch analysis from position: 17
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 17, Position 2 = 3
Branch analysis from position: 17
Branch analysis from position: 3
filename:       /in/4jsPq
function name:  ping_pong
number of ops:  18
compiled vars:  !0 = $i, !1 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   GENERATOR_CREATE                                         
    5     1        ASSIGN                                                   !0, 1
          2      > JMP                                                      ->15
    7     3    >   CONCAT                                           ~3      'a', !0
          4        ECHO                                                     ~3
    8     5        YIELD                                            $4      !0
          6        ASSIGN                                                   !1, $4
    9     7        CONCAT                                           ~6      'b', !0
          8        ECHO                                                     ~6
   10     9        CONCAT                                           ~7      'ping%3A+', !1
         10        CONCAT                                           ~8      ~7, '%0A'
         11        ECHO                                                     ~8
   11    12        CONCAT                                           ~9      'c', !0
         13        ECHO                                                     ~9
    5    14        PRE_INC                                                  !0
         15    >   IS_SMALLER_OR_EQUAL                                      !0, 10
         16      > JMPNZ                                                    ~11, ->3
   13    17    > > GENERATOR_RETURN                                         

End of function ping_pong

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.78 ms | 943 KiB | 15 Q