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<?php function xrange($start, $limit, $step = 1) { if ($start < $limit) { echo 'yep';die; if ($step <= 0) { throw new LogicException('Step must be +ve'); } echo $step; for ($i = $start; $i <= $limit; $i += $step) { yield $i; echo 'iter' . $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/3QY7k
function name:  (null)
number of ops:  13
compiled vars:  !0 = $number
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   18     0  E >   ECHO                                                     'Single+digit+odd+numbers+from+range%28%29%3A++%0A'
   19     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
   20     8    >   CONCAT                                           ~3      !0, '%0A'
          9        ECHO                                                     ~3
   19    10      > JMP                                                      ->7
         11    >   FE_FREE                                                  $2
   21    12      > RETURN                                                   1

Function xrange:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 23
Branch analysis from position: 6
1 jumps found. (Code = 79) Position 1 = -2
Branch analysis from position: 23
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/3QY7k
function name:  xrange
number of ops:  24
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                                         
    4     4        IS_SMALLER                                               !0, !1
          5      > JMPZ                                                     ~4, ->23
    5     6    >   ECHO                                                     'yep'
          7      > EXIT                                                     
    6     8*       IS_SMALLER_OR_EQUAL                                      !2, 0
          9*       JMPZ                                                     ~5, ->14
    7    10*       NEW                                              $6      'LogicException'
         11*       SEND_VAL_EX                                              'Step+must+be+%2Bve'
         12*       DO_FCALL                                      0          
         13*       THROW                                         0          $6
    9    14*       ECHO                                                     !2
   10    15*       ASSIGN                                                   !3, !0
         16*       JMP                                                      ->21
   11    17*       YIELD                                                    !3
   12    18*       CONCAT                                           ~10     'iter', !3
         19*       ECHO                                                     ~10
   10    20*       ASSIGN_OP                                     1          !3, !2
         21*       IS_SMALLER_OR_EQUAL                                      !3, !1
         22*       JMPNZ                                                    ~12, ->17
   15    23    > > GENERATOR_RETURN                                         

End of function xrange

Generated using Vulcan Logic Dumper, using php 8.0.0


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159.39 ms | 1404 KiB | 15 Q