由于您的日期字符串已经包含时区,因此您不需要执行任何特殊操作:
$when = new DateTime('Sun Jul 13 2014 07:00:00 GMT+0200 (EET)');
echo $when->format('Y-m-d H:i:s');
正如评论中所指出的,该字符串实际上包含两位时区信息,UTC + 2 and EET(东欧时间),而PHP基本上忽略了第二个。在这个例子中可以更好地发现它:
var_dump(new DateTime('Sun Jul 13 2014 07:00:00 GMT+0200 (EET)'), DateTime::getLastErrors());
var_dump(new DateTime('Sun Jul 13 2014 07:00:00 GMT+0200'), DateTime::getLastErrors());
var_dump(new DateTime('Sun Jul 13 2014 07:00:00 (EET)'), DateTime::getLastErrors());
object(DateTime)#1 (3) {
["date"]=>
string(26) "2014-07-13 07:00:00.000000"
["timezone_type"]=>
int(1)
["timezone"]=>
string(6) "+02:00"
}
array(4) {
["warning_count"]=>
int(1)
["warnings"]=>
array(1) {
[34]=>
string(29) "Double timezone specification"
}
["error_count"]=>
int(0)
["errors"]=>
array(0) {
}
}
object(DateTime)#1 (3) {
["date"]=>
string(26) "2014-07-13 07:00:00.000000"
["timezone_type"]=>
int(1)
["timezone"]=>
string(6) "+02:00"
}
array(4) {
["warning_count"]=>
int(0)
["warnings"]=>
array(0) {
}
["error_count"]=>
int(0)
["errors"]=>
array(0) {
}
}
object(DateTime)#1 (3) {
["date"]=>
string(26) "2014-07-13 07:00:00.000000"
["timezone_type"]=>
int(2)
["timezone"]=>
string(3) "EET"
}
array(4) {
["warning_count"]=>
int(0)
["warnings"]=>
array(0) {
}
["error_count"]=>
int(0)
["errors"]=>
array(0) {
}
}
事实上我们需要删除其中之一,例如:
$js_date_string = 'Sun Jul 13 2014 07:00:00 GMT+0200 (EET)';
// Regular expression is shown for illustration purposes, it's probably wrong!
$tmp_date_string = preg_replace('/ GMT\+\d{4}/ui', '', $js_date_string);
$when = new DateTime($tmp_date_string);
var_dump($when, DateTime::getLastErrors());
echo $when->format('Y-m-d H:i:s');
object(DateTime)#1 (3) {
["date"]=>
string(26) "2014-07-13 07:00:00.000000"
["timezone_type"]=>
int(2)
["timezone"]=>
string(3) "EET"
}
array(4) {
["warning_count"]=>
int(0)
["warnings"]=>
array(0) {
}
["error_count"]=>
int(0)
["errors"]=>
array(0) {
}
}
2014-07-13 07:00:00