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php-smarty-doc-2.6.26-1mdv2010.0.noarch.rpm

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>Dates</TITLE
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><H1
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>Dates</H1
><P
>&#13;    As a rule of thumb, always pass dates to Smarty as
    <A
HREF="http://php.net/time"
TARGET="_top"
>timestamps</A
>. This
    allows template designers to use the <A
HREF="language.modifier.date.format.html"
><TT
CLASS="varname"
>date_format</TT
>
    </A
> modifier for full control over date formatting, and also makes it
    easy to compare dates if necessary.
   </P
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><DIV
CLASS="example"
><A
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><P
><B
>Example 18-4. Using date_format</B
></P
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><TR
><TD
><PRE
CLASS="programlisting"
>{$startDate|date_format}</PRE
></TD
></TR
></TABLE
><P
>&#13;     This will output:
    </P
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><TD
><PRE
CLASS="screen"
>Jan 4, 2009</PRE
></TD
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></TABLE
><TABLE
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><TR
><TD
><PRE
CLASS="programlisting"
>{$startDate|date_format:"%Y/%m/%d"}</PRE
></TD
></TR
></TABLE
><P
>&#13;     This will output:
    </P
><TABLE
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BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="screen"
>2009/01/04</PRE
></TD
></TR
></TABLE
><P
>&#13;     Dates can be compared in the template by timestamps with:
    </P
><TABLE
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BGCOLOR="#E0E0E0"
CELLPADDING="5"
><TR
><TD
><PRE
CLASS="programlisting"
>{if $order_date &#60; $invoice_date}
   ...do something..
{/if}</PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
><P
>&#13;    When using <A
HREF="language.function.html.select.date.html"
>&#13;    <TT
CLASS="varname"
>{html_select_date}</TT
></A
> in a template, the programmer
    will most likely want to convert the output from the form back into
     timestamp format. Here is a function to help you with that.
   </P
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><TD
><DIV
CLASS="example"
><A
NAME="AEN7657"
></A
><P
><B
>Example 18-5. Converting form date elements back to a timestamp</B
></P
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><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">//&nbsp;this&nbsp;assumes&nbsp;your&nbsp;form&nbsp;elements&nbsp;are&nbsp;named<br />//&nbsp;startDate_Day,&nbsp;startDate_Month,&nbsp;startDate_Year<br /><br /></span><span style="color: #0000BB">$startDate&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">makeTimeStamp</span><span style="color: #007700">(</span><span style="color: #0000BB">$startDate_Year</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$startDate_Month</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$startDate_Day</span><span style="color: #007700">);<br /><br />function&nbsp;</span><span style="color: #0000BB">makeTimeStamp</span><span style="color: #007700">(</span><span style="color: #0000BB">$year</span><span style="color: #007700">=</span><span style="color: #DD0000">''</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$month</span><span style="color: #007700">=</span><span style="color: #DD0000">''</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$day</span><span style="color: #007700">=</span><span style="color: #DD0000">''</span><span style="color: #007700">)<br />{<br />&nbsp;&nbsp;&nbsp;if(empty(</span><span style="color: #0000BB">$year</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$year&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">strftime</span><span style="color: #007700">(</span><span style="color: #DD0000">'%Y'</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;if(empty(</span><span style="color: #0000BB">$month</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$month&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">strftime</span><span style="color: #007700">(</span><span style="color: #DD0000">'%m'</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;if(empty(</span><span style="color: #0000BB">$day</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$day&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">strftime</span><span style="color: #007700">(</span><span style="color: #DD0000">'%d'</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;}<br /><br />&nbsp;&nbsp;&nbsp;return&nbsp;</span><span style="color: #0000BB">mktime</span><span style="color: #007700">(</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$month</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$day</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$year</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></TD
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><P
>&#13;   See also
   <A
HREF="language.function.html.select.date.html"
>&#13;   <TT
CLASS="varname"
>{html_select_date}</TT
></A
>,
   <A
HREF="language.function.html.select.time.html"
>&#13;   <TT
CLASS="varname"
>{html_select_time}</TT
></A
>,
   <A
HREF="language.modifier.date.format.html"
>&#13;   <TT
CLASS="varname"
>date_format</TT
></A
>
   and <A
HREF="language.variables.smarty.html#language.variables.smarty.now"
>&#13;   <TT
CLASS="parameter"
><I
>$smarty.now</I
></TT
></A
>,
   </P
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