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<?php
namespace PhpXmlRpc\Helper;
use PhpXmlRpc\PhpXmlRpc;
/**
* Helps to convert timestamps to the xml-rpc date format.
*
* Feature creep -- add support for custom TZs
*/
class Date
{
/**
* Given a timestamp, return the corresponding ISO8601 encoded string.
*
* Really, timezones ought to be supported but the XML-RPC spec says:
*
* "Don't assume a timezone. It should be specified by the server in its documentation what assumptions it makes
* about timezones."
*
* This routine always encodes to local time unless $utc is set to 1, in which case UTC output is produced and an
* adjustment for the local timezone's offset is made
*
* @param int|\DateTimeInterface $timet timestamp or datetime
* @param bool|int $utc (0 or 1)
* @return string
*/
public static function iso8601Encode($timet, $utc = 0)
{
if (is_a($timet, 'DateTimeInterface') || is_a($timet, 'DateTime')) {
$timet = $timet->getTimestamp();
}
if (!$utc) {
$t = date('Ymd\TH:i:s', $timet);
} else {
$t = gmdate('Ymd\TH:i:s', $timet);
}
return $t;
}
/**
* Given an ISO8601 date string, return a timestamp in the localtime, or UTC.
*
* @param string $idate
* @param bool|int $utc either 0 (assume date is in local time) or 1 (assume date is in UTC)
*
* @return int (timestamp) 0 if the source string does not match the xml-rpc dateTime format
*/
public static function iso8601Decode($idate, $utc = 0)
{
$t = 0;
if (preg_match(PhpXmlRpc::$xmlrpc_datetime_format, $idate, $regs)) {
if ($utc) {
$t = gmmktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
} else {
$t = mktime($regs[4], $regs[5], $regs[6], $regs[2], $regs[3], $regs[1]);
}
}
return $t;
}
}