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<?php function xrange() { for ($i = 0; $i < 1000; $i++) { yield $i; } } $range = xrange(); echo "first"; foreach ($range as $i) {} echo "second"; foreach ($range as $i) {}
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 7
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 7
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 7
2 jumps found. (Code = 77) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
2 jumps found. (Code = 78) Position 1 = 11, Position 2 = 12
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
Branch analysis from position: 7
filename:       /in/c5ZgC
function name:  (null)
number of ops:  14
compiled vars:  !0 = $range, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'xrange'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   10     3        ECHO                                                     'first'
   11     4      > FE_RESET_R                                       $4      !0, ->7
          5    > > FE_FETCH_R                                               $4, !1, ->7
          6    > > JMP                                                      ->5
          7    >   FE_FREE                                                  $4
   12     8        ECHO                                                     'second'
   13     9      > FE_RESET_R                                       $5      !0, ->12
         10    > > FE_FETCH_R                                               $5, !1, ->12
         11    > > JMP                                                      ->10
         12    >   FE_FREE                                                  $5
         13      > RETURN                                                   1

Function xrange:
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/c5ZgC
function name:  xrange
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, 0
          2      > JMP                                                      ->5
    5     3    >   YIELD                                                    !0
    4     4        PRE_INC                                                  !0
          5    >   IS_SMALLER                                               !0, 1000
          6      > JMPNZ                                                    ~4, ->3
    7     7    > > GENERATOR_RETURN                                         

End of function xrange

Generated using Vulcan Logic Dumper, using php 8.0.0


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