<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >timezone_offset_get</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="Manual do PHP" HREF="index.html"><LINK REL="UP" TITLE="Data e hora" HREF="ref.datetime.html"><LINK REL="PREVIOUS" TITLE="timezone_name_get" HREF="function.timezone-name-get.html"><LINK REL="NEXT" TITLE="timezone_open" HREF="function.timezone-open.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=UTF-8"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >Manual do PHP</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.timezone-name-get.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.timezone-open.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.timezone-offset-get" ></A >timezone_offset_get</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN27434" ></A ><P > (PHP 5 >= 5.1.0RC1)</P >timezone_offset_get -- Returns the timezone offset from GMT</DIV ><DIV CLASS="refsect1" ><A NAME="AEN27437" ></A ><H2 >Descrição</H2 >int <B CLASS="methodname" >timezone_offset_get</B > ( DateTimeZone object, DateTime datetime )<BR ></BR >int <B CLASS="methodname" >DateTimeZone::getOffset</B > ( DateTime datetime )<BR ></BR ><P > This function returns the offset to GMT for the date/time specified in the <CODE CLASS="parameter" >datetime</CODE > parameter. The GMT offset is calculated with the timezone information contained in the DateTime object being used. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN27456" ></A ><H2 >Parâmetros</H2 ><P > <P ></P ><DIV CLASS="variablelist" ><DL ><DT ><CODE CLASS="parameter" >object</CODE ></DT ><DD ><P > DateTimeZone object. </P ></DD ><DT ><CODE CLASS="parameter" >datetime</CODE ></DT ><DD ><P > DateTime that contains the date/time to compute the offset from. </P ></DD ></DL ></DIV > </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN27470" ></A ><H2 >Valores de retornado</H2 ><P > Returns time zone offset in seconds on success or <TT CLASS="constant" ><B >FALSE</B ></TT > on failure. </P ></DIV ><DIV CLASS="refsect1" ><A NAME="AEN27474" ></A ><H2 >Exemplos</H2 ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN27477" ></A ><P ><B >Exemplo 1. <B CLASS="function" >timezone_offset_get()</B > examples</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><code><font color="#000000"> <font color="#0000BB"><?php<br /></font><font color="#FF8000">// Create two timezone objects, one for Taipei (Taiwan) and one for<br />// Tokyo (Japan)<br /></font><font color="#0000BB">$dateTimeZoneTaipei </font><font color="#007700">= new </font><font color="#0000BB">DateTimeZone</font><font color="#007700">(</font><font color="#DD0000">"Asia/Taipei"</font><font color="#007700">);<br /></font><font color="#0000BB">$dateTimeZoneJapan </font><font color="#007700">= new </font><font color="#0000BB">DateTimeZone</font><font color="#007700">(</font><font color="#DD0000">"Asia/Tokyo"</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Create two DateTime objects that will contain the same Unix timestamp, but<br />// have different timezones attached to them.<br /></font><font color="#0000BB">$dateTimeTaipei </font><font color="#007700">= new </font><font color="#0000BB">DateTime</font><font color="#007700">(</font><font color="#DD0000">"now"</font><font color="#007700">, </font><font color="#0000BB">$dateTimeZoneTaipei</font><font color="#007700">);<br /></font><font color="#0000BB">$dateTimeJapan </font><font color="#007700">= new </font><font color="#0000BB">DateTime</font><font color="#007700">(</font><font color="#DD0000">"now"</font><font color="#007700">, </font><font color="#0000BB">$dateTimeZoneJapan</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Calculate the GMT offset for the date/time contained in the $dateTimeTaipei<br />// object, but using the timezone rules as defined for Tokyo<br />// ($dateTimeZoneJapan).<br /></font><font color="#0000BB">$timeOffset </font><font color="#007700">= </font><font color="#0000BB">$dateTimeZoneJapan</font><font color="#007700">-></font><font color="#0000BB">getOffset</font><font color="#007700">(</font><font color="#0000BB">$dateTimeTaipei</font><font color="#007700">);<br /><br /></font><font color="#FF8000">// Should show int(32400) (for dates after Sat Sep 8 01:00:00 1951 JST).<br /></font><font color="#0000BB">var_dump</font><font color="#007700">(</font><font color="#0000BB">$timeOffset</font><font color="#007700">);<br /></font><font color="#0000BB">?></font> </font> </code></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.timezone-name-get.html" ACCESSKEY="P" >Anterior</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Principal</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.timezone-open.html" ACCESSKEY="N" >Próxima</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >timezone_name_get</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.datetime.html" ACCESSKEY="U" >Acima</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >timezone_open</TD ></TR ></TABLE ></DIV ></BODY ></HTML >