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<?php $a = range(0, 250_000); $b = range(250_000, 500_000); $gen = function(array ...$input):iterable{foreach($input as $it) {yield from $it;}}; $start = microtime(true); foreach($gen($a, $b) as $key => $item){ // } $elapsed = microtime(true) - $start; var_dump($elapsed);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 21, Position 2 = 24
Branch analysis from position: 21
2 jumps found. (Code = 78) Position 1 = 22, Position 2 = 24
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 21
Branch analysis from position: 21
Branch analysis from position: 24
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 24
filename:       /in/Ymksm
function name:  (null)
number of ops:  34
compiled vars:  !0 = $a, !1 = $b, !2 = $gen, !3 = $start, !4 = $item, !5 = $key, !6 = $elapsed
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'range'
          1        SEND_VAL                                                 0
          2        SEND_VAL                                                 250000
          3        DO_ICALL                                         $7      
          4        ASSIGN                                                   !0, $7
    4     5        INIT_FCALL                                               'range'
          6        SEND_VAL                                                 250000
          7        SEND_VAL                                                 500000
          8        DO_ICALL                                         $9      
          9        ASSIGN                                                   !1, $9
    7    10        DECLARE_LAMBDA_FUNCTION                          ~11     [0]
         11        ASSIGN                                                   !2, ~11
    9    12        INIT_FCALL                                               'microtime'
         13        SEND_VAL                                                 <true>
         14        DO_ICALL                                         $13     
         15        ASSIGN                                                   !3, $13
   10    16        INIT_DYNAMIC_CALL                                        !2
         17        SEND_VAR_EX                                              !0
         18        SEND_VAR_EX                                              !1
         19        DO_FCALL                                      0  $15     
         20      > FE_RESET_R                                       $16     $15, ->24
         21    > > FE_FETCH_R                                       ~17     $16, !4, ->24
         22    >   ASSIGN                                                   !5, ~17
         23      > JMP                                                      ->21
         24    >   FE_FREE                                                  $16
   13    25        INIT_FCALL                                               'microtime'
         26        SEND_VAL                                                 <true>
         27        DO_ICALL                                         $19     
         28        SUB                                              ~20     $19, !3
         29        ASSIGN                                                   !6, ~20
   14    30        INIT_FCALL                                               'var_dump'
         31        SEND_VAR                                                 !6
         32        DO_ICALL                                                 
         33      > RETURN                                                   1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 7
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 7
filename:       /in/Ymksm
function name:  {closure}
number of ops:  9
compiled vars:  !0 = $input, !1 = $it
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV_VARIADIC                                    !0      
          1        GENERATOR_CREATE                                         
          2      > FE_RESET_R                                       $2      !0, ->7
          3    > > FE_FETCH_R                                               $2, !1, ->7
          4    >   YIELD_FROM                                       ~3      !1
          5        FREE                                                     ~3
          6      > JMP                                                      ->3
          7    >   FE_FREE                                                  $2
          8      > GENERATOR_RETURN                                         

End of Dynamic Function 0

Generated using Vulcan Logic Dumper, using php 8.0.0


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141.32 ms | 1466 KiB | 16 Q