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<?php $date_from = (new \DateTime("2015-03-28")); //->setTimezone(new \DateTimeZone('UTC')); $date_to = (new \DateTime("2015-03-29")); //->setTimezone(new \DateTimeZone('UTC')); $date_from = (new \DateTime("2015-10-25")); //->setTimezone(new \DateTimeZone('UTC')); $date_to = (new \DateTime("2015-10-26")); //->setTimezone(new \DateTimeZone('UTC')); $interval = \DateInterval::createFromDateString('1 hour'); while ($date_to > $date_from) { $foo = clone $date_to; $check = $date_to->sub($interval); if ($foo == $check) { $check = $date_to->sub(\DateInterval::createFromDateString('2 hours')); } $date_to = $check; if ($date_to < $date_from) { $date_to = $date_from; } echo "\n\nTo:".$foo->format('d/m/Y H:i:s'); echo "\nFrom:".$date_to->format('d/m/Y H:i:s'); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 50
Branch analysis from position: 50
2 jumps found. (Code = 44) Position 1 = 52, Position 2 = 21
Branch analysis from position: 52
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 21
2 jumps found. (Code = 43) Position 1 = 29, Position 2 = 36
Branch analysis from position: 29
2 jumps found. (Code = 43) Position 1 = 39, Position 2 = 40
Branch analysis from position: 39
2 jumps found. (Code = 44) Position 1 = 52, Position 2 = 21
Branch analysis from position: 52
Branch analysis from position: 21
Branch analysis from position: 40
Branch analysis from position: 36
filename:       /in/COcDY
function name:  (null)
number of ops:  53
compiled vars:  !0 = $date_from, !1 = $date_to, !2 = $interval, !3 = $foo, !4 = $check
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $5      'DateTime'
          1        SEND_VAL_EX                                              '2015-03-28'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $5
    4     4        NEW                                              $8      'DateTime'
          5        SEND_VAL_EX                                              '2015-03-29'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $8
    6     8        NEW                                              $11     'DateTime'
          9        SEND_VAL_EX                                              '2015-10-25'
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !0, $11
    7    12        NEW                                              $14     'DateTime'
         13        SEND_VAL_EX                                              '2015-10-26'
         14        DO_FCALL                                      0          
         15        ASSIGN                                                   !1, $14
    9    16        INIT_STATIC_METHOD_CALL                                  'DateInterval', 'createFromDateString'
         17        SEND_VAL                                                 '1+hour'
         18        DO_FCALL                                      0  $17     
         19        ASSIGN                                                   !2, $17
   11    20      > JMP                                                      ->50
   12    21    >   CLONE                                            ~19     !1
         22        ASSIGN                                                   !3, ~19
   13    23        INIT_METHOD_CALL                                         !1, 'sub'
         24        SEND_VAR_EX                                              !2
         25        DO_FCALL                                      0  $21     
         26        ASSIGN                                                   !4, $21
   14    27        IS_EQUAL                                                 !3, !4
         28      > JMPZ                                                     ~23, ->36
   15    29    >   INIT_METHOD_CALL                                         !1, 'sub'
         30        INIT_STATIC_METHOD_CALL                                  'DateInterval', 'createFromDateString'
         31        SEND_VAL                                                 '2+hours'
         32        DO_FCALL                                      0  $24     
         33        SEND_VAR_NO_REF_EX                                       $24
         34        DO_FCALL                                      0  $25     
         35        ASSIGN                                                   !4, $25
   17    36    >   ASSIGN                                                   !1, !4
   19    37        IS_SMALLER                                               !1, !0
         38      > JMPZ                                                     ~28, ->40
   20    39    >   ASSIGN                                                   !1, !0
   22    40    >   INIT_METHOD_CALL                                         !3, 'format'
         41        SEND_VAL_EX                                              'd%2Fm%2FY+H%3Ai%3As'
         42        DO_FCALL                                      0  $30     
         43        CONCAT                                           ~31     '%0A%0ATo%3A', $30
         44        ECHO                                                     ~31
   23    45        INIT_METHOD_CALL                                         !1, 'format'
         46        SEND_VAL_EX                                              'd%2Fm%2FY+H%3Ai%3As'
         47        DO_FCALL                                      0  $32     
         48        CONCAT                                           ~33     '%0AFrom%3A', $32
         49        ECHO                                                     ~33
   11    50    >   IS_SMALLER                                               !0, !1
         51      > JMPNZ                                                    ~34, ->21
   24    52    > > RETURN                                                   1

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