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i have date in a variable as
$d = 2014-MAR-20;
How to insert this $d value to a field having type 'Date' in mysql using php?.
$d=date('Y-m-d',strtotime($d));
Then insert it to your table with your date column.
mysqli_query($YourConnection,"INSERT INTO yourTable (date) VALUES ('$d')");
If you are using PDO
$d = "2014-MAR-20";
$date =date('Y-m-d',strtotime($d)); // convert to Mysql format
Insert date value using PDO prepared statement
$stmt = $db->prepare("INSERT INTO table(`date`) VALUES(?)");
$stmt->execute(array($date));
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I have this weird thing when i get the date time: $date = date("Y-m-d H:i:s");
and try to insert it to a database, it will insert null. The column i insert it in is a datetime. It does not matter to what datatype i change the column it will still insert null.
I hope someone can help me!
Because the column is a datetime, in your query instead of
$sql = ".... datefield = '$date' ....";
do
$sql = ".... datefield = TIMESTAMP('$date') ....";
Obviously the .... represents whatever your sql is at that point.
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I am trying to match a date from my database to a PHP variable that contains date data that was converted to a string. However my query is not returning any results.
The database field that contains the date data is 'datetime'.
PHP Code:
$todays_date = strtotime("today");
$converted_todays_date = date("m/d/Y", $todays_date);
$dates_sql = "SELECT UNIX_TIMESTAMP(datetime) AS tstamp FROM employee_datetable WHERE STR_TO_DATE(datetime, '%m/%d/%Y') = '$converted_todays_date'";
$result = $usermysqli->query($dates_sql);
// Additional Code that I forgot to add before
while($row = $result->fetch_array()) {
$FormattedPhpDate = date('M d, Y', $row['tstamp']);
echo "<th><div id=day" . $FormattedPhpDate . "</div></th>";
}
Right now there is no date being outputted. I actually put in the wrong part of the code before.
Since you are using DateTime Field you can simply send date in query as date(Y-m-d H:i:s); from PHP to match it exactly. If you only want to compare only date part then use Date() mySql function to perform the comparison.
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How do I do the less than AND greater than $date in wpdb?
$date = ('Y-m-d');
$wpdb->get_results($wpdb->prepare('SELECT * FROM product_history WHERE enddate = "%d";', array($date)));
I wan't to get history where enddate is today or in present time, BUT also more than 0000-00-00.
Try this one
$wpdb->get_results($wpdb->prepare('SELECT * FROM product_history WHERE enddate >= CURDATE()'));
It will work definitely.
Incase of Date with Time, you have to select field DATETIME in MySQL and in that case you should run query something like
$wpdb->get_results($wpdb->prepare('SELECT * FROM product_history WHERE enddate >= NOW()'));
Using this query, You can filter data from current time.
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I stored the month name in database as string which looks like
Apr-2013
May-2013
...
How could i sort the table month wise ?
Any help is appreciated.
You will have to format the date in order to sort it:
select aDate from t
order by str_to_date(aDate,'%b-%Y')
This is very inefficient, though. I'd recommend you to update that field and make it a date field or at least two ints: one for the month and one for the year. Then, if you need to get the name of the month you could use the monthname(date) function.
SELECT
*
FROM
dates
ORDER BY
STR_TO_DATE(date, '%b-%Y')
SQL Fiddle
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Using PHP/MySQL
I need to select all the columns in the table, but convert the column 'createdate', which is saved as a current_timestamp to a unix_timestamp within the query.
You can use MySQL's UNIX_TIMESTAMP() function:
SELECT *, UNIX_TIMESTAMP(createdate) AS unix_createdate FROM my_table
This can be achieved with the UNIX_TIMESTAMP() function built in MySQL.
mysql> SELECT UNIX_TIMESTAMP();
-> 1196440210
mysql> SELECT UNIX_TIMESTAMP('2007-11-30 10:30:19');
-> 1196440219
http://dev.mysql.com/doc/refman/5.5/en/date-and-time-functions.html#function_unix-timestamp