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<?php function gen_one_to_three() { for ($i = 1; $i <= 3; $i++) { yield $i; } } $generator = gen_one_to_three(); var_dump($generator->valid()); foreach ($generator as $value) { echo "$value\n"; } var_dump($generator->valid()); foreach ($generator as $value) { echo "$value\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 9, Position 2 = 14
Branch analysis from position: 9
2 jumps found. (Code = 78) Position 1 = 10, Position 2 = 14
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
Branch analysis from position: 14
2 jumps found. (Code = 77) Position 1 = 21, Position 2 = 26
Branch analysis from position: 21
2 jumps found. (Code = 78) Position 1 = 22, Position 2 = 26
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 21
Branch analysis from position: 21
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 26
Branch analysis from position: 14
filename:       /in/cfWLt
function name:  (null)
number of ops:  28
compiled vars:  !0 = $generator, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'gen_one_to_three'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   10     3        INIT_FCALL                                               'var_dump'
          4        INIT_METHOD_CALL                                         !0, 'valid'
          5        DO_FCALL                                      0  $4      
          6        SEND_VAR                                                 $4
          7        DO_ICALL                                                 
   11     8      > FE_RESET_R                                       $6      !0, ->14
          9    > > FE_FETCH_R                                               $6, !1, ->14
   12    10    >   NOP                                                      
         11        FAST_CONCAT                                      ~7      !1, '%0A'
         12        ECHO                                                     ~7
   11    13      > JMP                                                      ->9
         14    >   FE_FREE                                                  $6
   14    15        INIT_FCALL                                               'var_dump'
         16        INIT_METHOD_CALL                                         !0, 'valid'
         17        DO_FCALL                                      0  $8      
         18        SEND_VAR                                                 $8
         19        DO_ICALL                                                 
   15    20      > FE_RESET_R                                       $10     !0, ->26
         21    > > FE_FETCH_R                                               $10, !1, ->26
   16    22    >   NOP                                                      
         23        FAST_CONCAT                                      ~11     !1, '%0A'
         24        ECHO                                                     ~11
   15    25      > JMP                                                      ->21
         26    >   FE_FREE                                                  $10
   17    27      > RETURN                                                   1

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

End of function gen_one_to_three

Generated using Vulcan Logic Dumper, using php 8.0.0


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163.6 ms | 1394 KiB | 16 Q