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Updating per errata notes, adding examples.

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@43153 c90b9560-bf6c-de11-be94-00142212c4b1
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Ron Chmara 2001-03-10 23:32:57 +00:00
parent 144cfff273
commit faa617e4fd
1 changed files with 61 additions and 1 deletions
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62
functions/datetime.xml
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@ -251,6 +251,31 @@ $nextyear = mktime (0,0,0,date("m"), date("d"), date("Y")+1);
</programlisting>
</example>
</para>
<para>
Some examples of <function>date</function> formatting. Note that
you should escape any other characters, as any which currently
have a special meaning will produce undesirable results, and
other characters may be assigned meaning in future PHP versions.
When escaping, bu sure to use single quotes to prevent characters
like \n from become newlines.
<example>
<title>
<function>Date</function> Formatting
</title>
<programlisting>
/* Today is March 10th, 2001, 5:16:18 pm */
$today = date("F j, Y, g:i a"); // March 10, 2001, 5:16 pm
$today = date("m.d.y"); // 03.10.01
$today = date("j, g, Y"); // 10, 3, 2001
$today = date("Ymd"); // 20010310
$today = date('h-i-s, j-m-y, it is w Day z '); // 05-16-17, 10-03-01, 1631 1618 6 Fripm01
$today = date('\i\t \i\s \t\h\e jS \d\a\y.'); // It is the 10th day.
$today = date("D M j g:i:s T Y"); // Sat Mar 10 15:16:08 MST 2001
$today = date('H:m:s \m \i\s\ \m\o\n\t\h'); // 17:03:17 m is month
$today = date("H:i:s"); // 17:16:17
</programlisting>
</example>
</para>
<para>
To format dates in other languages, you should use the
<function>setlocale</function> and <function>strftime</function>
@ -335,6 +360,18 @@ $nextyear = mktime (0,0,0,date("m"), date("d"), date("Y")+1);
</simpara>
</listitem>
</itemizedlist>
<example>
<title>
<function>getdate</function> example
</title>
<programlisting>
$today = getdate();
$month = $today[month];
$mday = $today[mday];
$year = $today[year];
echo "$month $mday, $year";
</programlisting>
</example>
</para>
</refsect1>
</refentry>
@ -548,7 +585,7 @@ echo gmstrftime ("%b %d %Y %H:%M:%S", mktime (20,0,0,12,31,98))."\n";
</listitem>
<listitem>
<simpara>
"tm_year" - Year, not y2k compliant
"tm_year" - Years since 1900
</simpara>
</listitem>
<listitem>
@ -592,6 +629,29 @@ echo gmstrftime ("%b %d %Y %H:%M:%S", mktime (20,0,0,12,31,98))."\n";
function is only available on operating systems that support the
gettimeofday() system call.
</para>
<para>
Both portions of the string are returned in units of seconds.
<example>
<title><function>microtime</function> example</title>
<programlisting role="php">
function getmicrotime(){
list($sec, $usec) = explode(" ",microtime());
return ($sec + $usec);
}
$time_start = getmicrotime();
for ($i=0; $i < 1000; $i++){
//do nothing, 1000 times
}
$time_end = getmicrotime();
$time = $time_end - $time_start;
echo "Did nothing in $time seconds";
</programlisting>
</example>
</para>
<para>
See also <function>time</function>.
</para>