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<?php function foo() { echo 'In generator func foo',"\n"; $string = (yield); if ($string == 'hw') { echo $string; } for ($i = 1; $i <= 3; $i++) { yield $i; } echo 'generator done and closed.',"\n"; return; } $generator = foo(); foreach ($generator as $value) { if ($value == 2) { $generator->send('hw'); } echo "$value\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 14
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 14
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 10
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 10
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/YpDSi
function name:  (null)
number of ops:  16
compiled vars:  !0 = $generator, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                               'foo'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   16     3      > FE_RESET_R                                       $4      !0, ->14
          4    > > FE_FETCH_R                                               $4, !1, ->14
   17     5    >   IS_EQUAL                                                 !1, 2
          6      > JMPZ                                                     ~5, ->10
   18     7    >   INIT_METHOD_CALL                                         !0, 'send'
          8        SEND_VAL_EX                                              'hw'
          9        DO_FCALL                                      0          
   20    10    >   NOP                                                      
         11        FAST_CONCAT                                      ~7      !1, '%0A'
         12        ECHO                                                     ~7
   16    13      > JMP                                                      ->4
         14    >   FE_FREE                                                  $4
   21    15      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 8
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 12
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 14, Position 2 = 10
Branch analysis from position: 14
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 10
2 jumps found. (Code = 44) Position 1 = 14, Position 2 = 10
Branch analysis from position: 14
Branch analysis from position: 10
Branch analysis from position: 8
filename:       /in/YpDSi
function name:  foo
number of ops:  18
compiled vars:  !0 = $string, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   GENERATOR_CREATE                                         
    3     1        ECHO                                                     'In+generator+func+foo'
          2        ECHO                                                     '%0A'
    4     3        YIELD                                            $2      
          4        ASSIGN                                                   !0, $2
    5     5        IS_EQUAL                                                 !0, 'hw'
          6      > JMPZ                                                     ~4, ->8
    6     7    >   ECHO                                                     !0
    9     8    >   ASSIGN                                                   !1, 1
          9      > JMP                                                      ->12
   10    10    >   YIELD                                                    !1
    9    11        PRE_INC                                                  !1
         12    >   IS_SMALLER_OR_EQUAL                                      !1, 3
         13      > JMPNZ                                                    ~8, ->10
   12    14    >   ECHO                                                     'generator+done+and+closed.'
         15        ECHO                                                     '%0A'
   13    16      > GENERATOR_RETURN                                         
   14    17*     > GENERATOR_RETURN                                         

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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