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<?php date_default_timezone_set('Europe/Warsaw'); $date1 = '2016-03-01'; $date2 = '2017-03-01'; $datePay1 = new DateTime($date1); $datePay2 = new DateTime($date2); echo 'datePay1: ' . $datePay1->setTimezone(new DateTimeZone('UTC'))->format('Y-m-d H:i:s') . "\ndatePay2: " . $datePay2->setTimezone(new DateTimeZone('UTC'))->format('Y-m-d H:i:s');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/mKNhX
function name:  (null)
number of ops:  36
compiled vars:  !0 = $date1, !1 = $date2, !2 = $datePay1, !3 = $datePay2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'date_default_timezone_set'
          1        SEND_VAL                                                 'Europe%2FWarsaw'
          2        DO_ICALL                                                 
    4     3        ASSIGN                                                   !0, '2016-03-01'
    5     4        ASSIGN                                                   !1, '2017-03-01'
    6     5        NEW                                              $7      'DateTime'
          6        SEND_VAR_EX                                              !0
          7        DO_FCALL                                      0          
          8        ASSIGN                                                   !2, $7
    7     9        NEW                                              $10     'DateTime'
         10        SEND_VAR_EX                                              !1
         11        DO_FCALL                                      0          
         12        ASSIGN                                                   !3, $10
    9    13        INIT_METHOD_CALL                                         !2, 'setTimezone'
         14        NEW                                              $13     'DateTimeZone'
         15        SEND_VAL_EX                                              'UTC'
         16        DO_FCALL                                      0          
         17        SEND_VAR_NO_REF_EX                                       $13
         18        DO_FCALL                                      0  $15     
         19        INIT_METHOD_CALL                                         $15, 'format'
         20        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As'
         21        DO_FCALL                                      0  $16     
         22        CONCAT                                           ~17     'datePay1%3A+', $16
   10    23        CONCAT                                           ~18     ~17, '%0AdatePay2%3A+'
         24        INIT_METHOD_CALL                                         !3, 'setTimezone'
         25        NEW                                              $19     'DateTimeZone'
         26        SEND_VAL_EX                                              'UTC'
         27        DO_FCALL                                      0          
         28        SEND_VAR_NO_REF_EX                                       $19
         29        DO_FCALL                                      0  $21     
         30        INIT_METHOD_CALL                                         $21, 'format'
         31        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As'
         32        DO_FCALL                                      0  $22     
         33        CONCAT                                           ~23     ~18, $22
         34        ECHO                                                     ~23
         35      > RETURN                                                   1

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