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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')); $interval = \DateInterval::createFromDateString('1 hour'); while ($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 = 42
Branch analysis from position: 42
2 jumps found. (Code = 44) Position 1 = 44, Position 2 = 13
Branch analysis from position: 44
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
2 jumps found. (Code = 43) Position 1 = 21, Position 2 = 28
Branch analysis from position: 21
2 jumps found. (Code = 43) Position 1 = 31, Position 2 = 32
Branch analysis from position: 31
2 jumps found. (Code = 44) Position 1 = 44, Position 2 = 13
Branch analysis from position: 44
Branch analysis from position: 13
Branch analysis from position: 32
Branch analysis from position: 28
filename:       /in/RYL6v
function name:  (null)
number of ops:  45
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        INIT_STATIC_METHOD_CALL                                  'DateInterval', 'createFromDateString'
          9        SEND_VAL                                                 '1+hour'
         10        DO_FCALL                                      0  $11     
         11        ASSIGN                                                   !2, $11
    8    12      > JMP                                                      ->42
    9    13    >   CLONE                                            ~13     !1
         14        ASSIGN                                                   !3, ~13
   10    15        INIT_METHOD_CALL                                         !1, 'sub'
         16        SEND_VAR_EX                                              !2
         17        DO_FCALL                                      0  $15     
         18        ASSIGN                                                   !4, $15
   11    19        IS_EQUAL                                                 !3, !4
         20      > JMPZ                                                     ~17, ->28
   12    21    >   INIT_METHOD_CALL                                         !1, 'sub'
         22        INIT_STATIC_METHOD_CALL                                  'DateInterval', 'createFromDateString'
         23        SEND_VAL                                                 '2+hours'
         24        DO_FCALL                                      0  $18     
         25        SEND_VAR_NO_REF_EX                                       $18
         26        DO_FCALL                                      0  $19     
         27        ASSIGN                                                   !4, $19
   14    28    >   ASSIGN                                                   !1, !4
   16    29        IS_SMALLER                                               !1, !0
         30      > JMPZ                                                     ~22, ->32
   17    31    >   ASSIGN                                                   !1, !0
   19    32    >   INIT_METHOD_CALL                                         !3, 'format'
         33        SEND_VAL_EX                                              'd%2Fm%2FY+H%3Ai%3As'
         34        DO_FCALL                                      0  $24     
         35        CONCAT                                           ~25     '%0A%0ATo%3A', $24
         36        ECHO                                                     ~25
   20    37        INIT_METHOD_CALL                                         !1, 'format'
         38        SEND_VAL_EX                                              'd%2Fm%2FY+H%3Ai%3As'
         39        DO_FCALL                                      0  $26     
         40        CONCAT                                           ~27     '%0AFrom%3A', $26
         41        ECHO                                                     ~27
    8    42    >   IS_SMALLER                                               !0, !1
         43      > JMPNZ                                                    ~28, ->13
   21    44    > > RETURN                                                   1

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