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<?php $start = new DateTime('2017-01'); $end = new DateTime('2018-06'); $interval = DateInterval::createFromDateString('1 month'); $period = new DatePeriod($start, $interval, $end); foreach ($period as $dt) { echo $dt->format("Y-m") . PHP_EOL; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 19, Position 2 = 26
Branch analysis from position: 19
2 jumps found. (Code = 78) Position 1 = 20, Position 2 = 26
Branch analysis from position: 20
1 jumps found. (Code = 42) Position 1 = 19
Branch analysis from position: 19
Branch analysis from position: 26
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 26
filename:       /in/FvmS4
function name:  (null)
number of ops:  28
compiled vars:  !0 = $start, !1 = $end, !2 = $interval, !3 = $period, !4 = $dt
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $5      'DateTime'
          1        SEND_VAL_EX                                              '2017-01'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $5
    3     4        NEW                                              $8      'DateTime'
          5        SEND_VAL_EX                                              '2018-06'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $8
    4     8        INIT_STATIC_METHOD_CALL                                  'DateInterval', 'createFromDateString'
          9        SEND_VAL                                                 '1+month'
         10        DO_FCALL                                      0  $11     
         11        ASSIGN                                                   !2, $11
    5    12        NEW                                              $13     'DatePeriod'
         13        SEND_VAR_EX                                              !0
         14        SEND_VAR_EX                                              !2
         15        SEND_VAR_EX                                              !1
         16        DO_FCALL                                      0          
         17        ASSIGN                                                   !3, $13
    7    18      > FE_RESET_R                                       $16     !3, ->26
         19    > > FE_FETCH_R                                               $16, !4, ->26
    8    20    >   INIT_METHOD_CALL                                         !4, 'format'
         21        SEND_VAL_EX                                              'Y-m'
         22        DO_FCALL                                      0  $17     
         23        CONCAT                                           ~18     $17, '%0A'
         24        ECHO                                                     ~18
    7    25      > JMP                                                      ->19
         26    >   FE_FREE                                                  $16
    9    27      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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