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<?php $vancouver = new \DateTimeZone('America/Vancouver'); $utc = new \DateTimeZone('UTC'); $timestamp1 = 1478422920; $date1 = new \DateTime('@' . $timestamp1); print '--- UTC ---' . PHP_EOL; print $timestamp1 . PHP_EOL; print $date1->format('c') . PHP_EOL; print '--- UTC => Vancouver ---' . PHP_EOL; $date1->setTimezone($vancouver); print $date1->format('c') . PHP_EOL; print $date1->format('Y-m-d\TH:i:s') . PHP_EOL; print '--- Vancouver => UTC ---' . PHP_EOL; $string1 = $date1->format('Y-m-d\TH:i:s'); $date2 = new \DateTime($string1, $vancouver); $timestamp2 = $date2->getTimestamp(); print $timestamp2 . PHP_EOL; print $date2->format('c') . PHP_EOL; $date2->setTimezone($utc); print $date2->format('c') . PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/q5400
function name:  (null)
number of ops:  65
compiled vars:  !0 = $vancouver, !1 = $utc, !2 = $timestamp1, !3 = $date1, !4 = $string1, !5 = $date2, !6 = $timestamp2
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   NEW                                                  $7      'DateTimeZone'
          1        SEND_VAL_EX                                                  'America%2FVancouver'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $7
    4     4        NEW                                                  $10     'DateTimeZone'
          5        SEND_VAL_EX                                                  'UTC'
          6        DO_FCALL                                          0          
          7        ASSIGN                                                       !1, $10
    6     8        ASSIGN                                                       !2, 1478422920
    7     9        NEW                                                  $14     'DateTime'
         10        CONCAT                                               ~15     '%40', !2
         11        SEND_VAL_EX                                                  ~15
         12        DO_FCALL                                          0          
         13        ASSIGN                                                       !3, $14
    9    14        ECHO                                                         '---+UTC+---%0A'
   10    15        CONCAT                                               ~18     !2, '%0A'
         16        ECHO                                                         ~18
   11    17        INIT_METHOD_CALL                                             !3, 'format'
         18        SEND_VAL_EX                                                  'c'
         19        DO_FCALL                                          0  $19     
         20        CONCAT                                               ~20     $19, '%0A'
         21        ECHO                                                         ~20
   13    22        ECHO                                                         '---+UTC+%3D%3E+Vancouver+---%0A'
   14    23        INIT_METHOD_CALL                                             !3, 'setTimezone'
         24        SEND_VAR_EX                                                  !0
         25        DO_FCALL                                          0          
   15    26        INIT_METHOD_CALL                                             !3, 'format'
         27        SEND_VAL_EX                                                  'c'
         28        DO_FCALL                                          0  $22     
         29        CONCAT                                               ~23     $22, '%0A'
         30        ECHO                                                         ~23
   16    31        INIT_METHOD_CALL                                             !3, 'format'
         32        SEND_VAL_EX                                                  'Y-m-d%5CTH%3Ai%3As'
         33        DO_FCALL                                          0  $24     
         34        CONCAT                                               ~25     $24, '%0A'
         35        ECHO                                                         ~25
   18    36        ECHO                                                         '---+Vancouver+%3D%3E+UTC+---%0A'
   19    37        INIT_METHOD_CALL                                             !3, 'format'
         38        SEND_VAL_EX                                                  'Y-m-d%5CTH%3Ai%3As'
         39        DO_FCALL                                          0  $26     
         40        ASSIGN                                                       !4, $26
   20    41        NEW                                                  $28     'DateTime'
         42        SEND_VAR_EX                                                  !4
         43        SEND_VAR_EX                                                  !0
         44        DO_FCALL                                          0          
         45        ASSIGN                                                       !5, $28
   21    46        INIT_METHOD_CALL                                             !5, 'getTimestamp'
         47        DO_FCALL                                          0  $31     
         48        ASSIGN                                                       !6, $31
   23    49        CONCAT                                               ~33     !6, '%0A'
         50        ECHO                                                         ~33
   24    51        INIT_METHOD_CALL                                             !5, 'format'
         52        SEND_VAL_EX                                                  'c'
         53        DO_FCALL                                          0  $34     
         54        CONCAT                                               ~35     $34, '%0A'
         55        ECHO                                                         ~35
   25    56        INIT_METHOD_CALL                                             !5, 'setTimezone'
         57        SEND_VAR_EX                                                  !1
         58        DO_FCALL                                          0          
   26    59        INIT_METHOD_CALL                                             !5, 'format'
         60        SEND_VAL_EX                                                  'c'
         61        DO_FCALL                                          0  $37     
         62        CONCAT                                               ~38     $37, '%0A'
         63        ECHO                                                         ~38
         64      > RETURN                                                       1

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