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<?php // Everything you enter here will be executed by our servers. Try it! foreach (xrange() as $a) { //foreach (oldrange() as $a) echo "$a\n"; } function oldrange () { return range(1, 1000); } function xrange () { for ($i = 0; $i <= 1000; $i++) { yield $i; } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/jQcY7
function name:  (null)
number of ops:  10
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL_BY_NAME                                       'xrange'
          1        DO_FCALL                                      0  $1      
          2      > FE_RESET_R                                       $2      $1, ->8
          3    > > FE_FETCH_R                                               $2, !0, ->8
    5     4    >   NOP                                                      
          5        FAST_CONCAT                                      ~3      !0, '%0A'
          6        ECHO                                                     ~3
    3     7      > JMP                                                      ->3
          8    >   FE_FREE                                                  $2
   14     9      > RETURN                                                   1

Function oldrange:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jQcY7
function name:  oldrange
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                               'range'
          1        SEND_VAL                                                 1
          2        SEND_VAL                                                 1000
          3        DO_ICALL                                         $0      
          4      > RETURN                                                   $0
    9     5*     > RETURN                                                   null

End of function oldrange

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/jQcY7
function name:  xrange
number of ops:  8
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   GENERATOR_CREATE                                         
   11     1        ASSIGN                                                   !0, 0
          2      > JMP                                                      ->5
   12     3    >   YIELD                                                    !0
   11     4        PRE_INC                                                  !0
          5    >   IS_SMALLER_OR_EQUAL                                      !0, 1000
          6      > JMPNZ                                                    ~4, ->3
   14     7    > > GENERATOR_RETURN                                         

End of function xrange

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
165.94 ms | 1396 KiB | 15 Q