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<?php function convertUnixTimeBetweenTimezones($vUnixTime,$vOriginalTimezone,$vDesiredTimezone) { if ($vOriginalTimezone == $vDesiredTimezone) { // no timezone shifting required return $vUnixTime; } // 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; } echo convertUnixTimeBetweenTimezones(1414710000,"EST","UTC"); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tj2io
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   32     0  E >   INIT_FCALL                                               'convertunixtimebetweentimezones'
          1        SEND_VAL                                                 1414710000
          2        SEND_VAL                                                 'EST'
          3        SEND_VAL                                                 'UTC'
          4        DO_FCALL                                      0  $0      
          5        ECHO                                                     $0
   34     6      > RETURN                                                   1

Function convertunixtimebetweentimezones:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 5, Position 2 = 6
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/tj2io
function name:  convertUnixTimeBetweenTimezones
number of ops:  41
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      
    5     3        IS_EQUAL                                                 !1, !2
          4      > JMPZ                                                     ~9, ->6
    8     5    > > RETURN                                                   !0
   12     6    >   INIT_FCALL                                               'date_default_timezone_get'
          7        DO_ICALL                                         $10     
          8        ASSIGN                                                   !3, $10
   13     9        INIT_FCALL                                               'date_default_timezone_set'
         10        SEND_VAR                                                 !2
         11        DO_ICALL                                                 
   15    12        NEW                                              $13     'DateTimeZone'
         13        SEND_VAR_EX                                              !1
         14        DO_FCALL                                      0          
         15        ASSIGN                                                   !4, $13
   17    16        NEW                                              $16     'DateTimeZone'
         17        SEND_VAR_EX                                              !2
         18        DO_FCALL                                      0          
         19        ASSIGN                                                   !5, $16
   19    20        INIT_FCALL                                               'date'
         21        SEND_VAL                                                 'Y-m-d+H%3Ai%3As'
         22        SEND_VAR                                                 !0
         23        DO_ICALL                                         $19     
         24        ASSIGN                                                   !6, $19
   20    25        NEW                                              $21     'DateTime'
         26        SEND_VAR_EX                                              !6
         27        SEND_VAR_EX                                              !4
         28        DO_FCALL                                      0          
         29        ASSIGN                                                   !7, $21
   21    30        INIT_METHOD_CALL                                         !7, 'setTimezone'
         31        SEND_VAR_EX                                              !5
         32        DO_FCALL                                      0          
   23    33        INIT_METHOD_CALL                                         !7, 'getTimestamp'
         34        DO_FCALL                                      0  $25     
         35        ASSIGN                                                   !8, $25
   25    36        INIT_FCALL                                               'date_default_timezone_set'
         37        SEND_VAR                                                 !3
         38        DO_ICALL                                                 
   27    39      > RETURN                                                   !8
   28    40*     > RETURN                                                   null

End of function convertunixtimebetweentimezones

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