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<?php function xrange($start, $limit, $step = 1) { throw new \LogicException('No no no no'); for ($i = $start; $i <= $limit; $i += $step) { yield $i; } } echo 'Single digit odd numbers from range(): ' . PHP_EOL; foreach (range(1, 9, -5) as $number) { echo $number . PHP_EOL; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 7, Position 2 = 11
Branch analysis from position: 7
2 jumps found. (Code = 78) Position 1 = 8, Position 2 = 11
Branch analysis from position: 8
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
filename:       /in/i9Ibn
function name:  (null)
number of ops:  13
compiled vars:  !0 = $number
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   ECHO                                                     'Single+digit+odd+numbers+from+range%28%29%3A++%0A'
   13     1        INIT_FCALL                                               'range'
          2        SEND_VAL                                                 1
          3        SEND_VAL                                                 9
          4        SEND_VAL                                                 -5
          5        DO_ICALL                                         $1      
          6      > FE_RESET_R                                       $2      $1, ->11
          7    > > FE_FETCH_R                                               $2, !0, ->11
   14     8    >   CONCAT                                           ~3      !0, '%0A'
          9        ECHO                                                     ~3
   13    10      > JMP                                                      ->7
         11    >   FE_FREE                                                  $2
   15    12      > RETURN                                                   1

Function xrange:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 108) Position 1 = -2
filename:       /in/i9Ibn
function name:  xrange
number of ops:  15
compiled vars:  !0 = $start, !1 = $limit, !2 = $step, !3 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV_INIT                                        !2      1
          3        GENERATOR_CREATE                                         
    5     4        NEW                                              $4      'LogicException'
          5        SEND_VAL_EX                                              'No+no+no+no'
          6        DO_FCALL                                      0          
          7      > THROW                                         0          $4
    6     8*       ASSIGN                                                   !3, !0
          9*       JMP                                                      ->12
    7    10*       YIELD                                                    !3
    6    11*       ASSIGN_OP                                     1          !3, !2
         12*       IS_SMALLER_OR_EQUAL                                      !3, !1
         13*       JMPNZ                                                    ~9, ->10
    9    14*     > GENERATOR_RETURN                                         

End of function xrange

Generated using Vulcan Logic Dumper, using php 8.0.0


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