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<?php function convertUnixTimeBetweenTimezones($vUnixTime,$vOriginalTimezone,$vDesiredTimezone) { // set default to desired timezone $vCurrentTimezone = date_default_timezone_get(); date_default_timezone_set($vDesiredTimezone); $oBaseTimeZone = new DateTimeZone($vOriginalTimezone); // user time zone $oCurrentTimeZone = new DateTimeZone($vDesiredTimezone); $vIsoTime = date("Y-m-d H:i:s",$vUnixTime); $oBaseTime = new DateTime($vIsoTime,$oBaseTimeZone); $oBaseTime->setTimezone($oCurrentTimeZone); $vTimeStamp = $oBaseTime->getTimestamp(); date_default_timezone_set($vCurrentTimezone); return $vTimeStamp; } $vFirstDate = 1414710000; echo(date("Y-m-d H:i:s",$vFirstDate) . " - offsets to: " . date("Y-m-d H:i:s",convertUnixTimeBetweenTimezones($vFirstDate,"EST","UTC")) . "\n"); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7feKS
function name:  (null)
number of ops:  19
compiled vars:  !0 = $vFirstDate
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   25     0  E >   ASSIGN                                                   !0, 1414710000
   26     1        INIT_FCALL                                               'date'
          2        SEND_VAL                                                 'Y-m-d+H%3Ai%3As'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                         $2      
          5        CONCAT                                           ~3      $2, '+-+offsets+to%3A+'
          6        INIT_FCALL                                               'date'
          7        SEND_VAL                                                 'Y-m-d+H%3Ai%3As'
          8        INIT_FCALL                                               'convertunixtimebetweentimezones'
          9        SEND_VAR                                                 !0
         10        SEND_VAL                                                 'EST'
         11        SEND_VAL                                                 'UTC'
         12        DO_FCALL                                      0  $4      
         13        SEND_VAR                                                 $4
         14        DO_ICALL                                         $5      
         15        CONCAT                                           ~6      ~3, $5
         16        CONCAT                                           ~7      ~6, '%0A'
         17        ECHO                                                     ~7
   27    18      > RETURN                                                   1

Function convertunixtimebetweentimezones:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7feKS
function name:  convertUnixTimeBetweenTimezones
number of ops:  38
compiled vars:  !0 = $vUnixTime, !1 = $vOriginalTimezone, !2 = $vDesiredTimezone, !3 = $vCurrentTimezone, !4 = $oBaseTimeZone, !5 = $oCurrentTimeZone, !6 = $vIsoTime, !7 = $oBaseTime, !8 = $vTimeStamp
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        RECV                                             !2      
    6     3        INIT_FCALL                                               'date_default_timezone_get'
          4        DO_ICALL                                         $9      
          5        ASSIGN                                                   !3, $9
    7     6        INIT_FCALL                                               'date_default_timezone_set'
          7        SEND_VAR                                                 !2
          8        DO_ICALL                                                 
    9     9        NEW                                              $12     'DateTimeZone'
         10        SEND_VAR_EX                                              !1
         11        DO_FCALL                                      0          
         12        ASSIGN                                                   !4, $12
   11    13        NEW                                              $15     'DateTimeZone'
         14        SEND_VAR_EX                                              !2
         15        DO_FCALL                                      0          
         16        ASSIGN                                                   !5, $15
   13    17        INIT_FCALL                                               'date'
         18        SEND_VAL                                                 'Y-m-d+H%3Ai%3As'
         19        SEND_VAR                                                 !0
         20        DO_ICALL                                         $18     
         21        ASSIGN                                                   !6, $18
   14    22        NEW                                              $20     'DateTime'
         23        SEND_VAR_EX                                              !6
         24        SEND_VAR_EX                                              !4
         25        DO_FCALL                                      0          
         26        ASSIGN                                                   !7, $20
   15    27        INIT_METHOD_CALL                                         !7, 'setTimezone'
         28        SEND_VAR_EX                                              !5
         29        DO_FCALL                                      0          
   17    30        INIT_METHOD_CALL                                         !7, 'getTimestamp'
         31        DO_FCALL                                      0  $24     
         32        ASSIGN                                                   !8, $24
   19    33        INIT_FCALL                                               'date_default_timezone_set'
         34        SEND_VAR                                                 !3
         35        DO_ICALL                                                 
   21    36      > RETURN                                                   !8
   22    37*     > RETURN                                                   null

End of function convertunixtimebetweentimezones

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