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<?php function foo() { echo 'In generator func foo',"\n"; $string = (yield); if ($string == 'Hello world!') { echo $string; } for ($i = 1; $i <= 3; $i++) { yield $i; } echo 'generator done and closed.',"\n"; return; } $generator = foo(); foreach ($generator as $value) echo "$value\n"; $generator->send('Hello world!');
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 9
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 9
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/7mZ7c
function name:  (null)
number of ops:  14
compiled vars:  !0 = $generator, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   INIT_FCALL                                               'foo'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   15     3      > FE_RESET_R                                       $4      !0, ->9
          4    > > FE_FETCH_R                                               $4, !1, ->9
          5    >   NOP                                                      
          6        FAST_CONCAT                                      ~5      !1, '%0A'
          7        ECHO                                                     ~5
          8      > JMP                                                      ->4
          9    >   FE_FREE                                                  $4
   16    10        INIT_METHOD_CALL                                         !0, 'send'
         11        SEND_VAL_EX                                              'Hello+world%21'
         12        DO_FCALL                                      0          
         13      > 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/7mZ7c
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, 'Hello+world%21'
          6      > JMPZ                                                     ~4, ->8
    6     7    >   ECHO                                                     !0
    8     8    >   ASSIGN                                                   !1, 1
          9      > JMP                                                      ->12
    9    10    >   YIELD                                                    !1
    8    11        PRE_INC                                                  !1
         12    >   IS_SMALLER_OR_EQUAL                                      !1, 3
         13      > JMPNZ                                                    ~8, ->10
   11    14    >   ECHO                                                     'generator+done+and+closed.'
         15        ECHO                                                     '%0A'
   12    16      > GENERATOR_RETURN                                         
   13    17*     > GENERATOR_RETURN                                         

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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