For hairs you cannot insert a date ("y-m-d h:i:s") into a field of type DateTime,

For hairs you cannot insert a date ("y-m-d h:i:s") into a field of type DateTime,
What kind of timestamp can it be?

$re =mysql_query (' INSERT into ook (XX) VALUES (date ("y-m-d h:i:s"));

Reply to discussion (solution)

$re = mysql_query (' INSERT into ook (XX) VALUES (\ '. Date ("Y-m-d h:i:s"). ' \')');

In single quotation marks, the date function cannot parse the

Get a variable.
$date =date ("y-m-d h:i:s");
and put it in the SQL.

You use Date ("y-m-d h:i:s") just a conversion to the database Date field content format, you do not give it the field name is of course wrong.

$re = mysql_query ("INSERT into ook (XX) VALUES ('). Date ("Y-m-d h:i:s"). "')";
SQL statements are easier to use with "double quotes, because the insertion of a number other than the shape of the shape will have to use the ' single quotation mark
There is the general insertion of the value of the ' single quotation mark is better, too lazy to think whether it should be added single quotation mark problem

I thought the double quotes could parse the variable,
You can also parse the execution of a function:

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