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<?php $start = \DateTime::createFromFormat('Y-m-d', '2021-01-01'); $end = \DateTime::createFromFormat('Y-m-d', '2021-01-10'); $period = new \DatePeriod($start, \DateInterval::createFromDateString('1 day'), $end); $iterator = new \CachingIterator($period->getIterator(), 0); foreach ($iterator as $item) { echo $item->format('c'), "\n"; $iterator->valid(); // advances iterator $iterator->valid(); // advances iterator }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 27, Position 2 = 38
Branch analysis from position: 27
2 jumps found. (Code = 78) Position 1 = 28, Position 2 = 38
Branch analysis from position: 28
1 jumps found. (Code = 42) Position 1 = 27
Branch analysis from position: 27
Branch analysis from position: 38
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 38
filename:       /in/sNs51
function name:  (null)
number of ops:  40
compiled vars:  !0 = $start, !1 = $end, !2 = $period, !3 = $iterator, !4 = $item
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_STATIC_METHOD_CALL                                      'DateTime', 'createFromFormat'
          1        SEND_VAL                                                     'Y-m-d'
          2        SEND_VAL                                                     '2021-01-01'
          3        DO_FCALL                                          0  $5      
          4        ASSIGN                                                       !0, $5
    4     5        INIT_STATIC_METHOD_CALL                                      'DateTime', 'createFromFormat'
          6        SEND_VAL                                                     'Y-m-d'
          7        SEND_VAL                                                     '2021-01-10'
          8        DO_FCALL                                          0  $7      
          9        ASSIGN                                                       !1, $7
    5    10        NEW                                                  $9      'DatePeriod'
         11        SEND_VAR_EX                                                  !0
         12        INIT_STATIC_METHOD_CALL                                      'DateInterval', 'createFromDateString'
         13        SEND_VAL                                                     '1+day'
         14        DO_FCALL                                          0  $10     
         15        SEND_VAR_NO_REF_EX                                           $10
         16        SEND_VAR_EX                                                  !1
         17        DO_FCALL                                          0          
         18        ASSIGN                                                       !2, $9
    6    19        NEW                                                  $13     'CachingIterator'
         20        INIT_METHOD_CALL                                             !2, 'getIterator'
         21        DO_FCALL                                          0  $14     
         22        SEND_VAR_NO_REF_EX                                           $14
         23        SEND_VAL_EX                                                  0
         24        DO_FCALL                                          0          
         25        ASSIGN                                                       !3, $13
    8    26      > FE_RESET_R                                           $17     !3, ->38
         27    > > FE_FETCH_R                                                   $17, !4, ->38
    9    28    >   INIT_METHOD_CALL                                             !4, 'format'
         29        SEND_VAL_EX                                                  'c'
         30        DO_FCALL                                          0  $18     
         31        ECHO                                                         $18
         32        ECHO                                                         '%0A'
   10    33        INIT_METHOD_CALL                                             !3, 'valid'
         34        DO_FCALL                                          0          
   11    35        INIT_METHOD_CALL                                             !3, 'valid'
         36        DO_FCALL                                          0          
    8    37      > JMP                                                          ->27
         38    >   FE_FREE                                                      $17
   12    39      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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