strtotime

Parse about any English textual datetime description into a Unix timestamp

Syntax

strtotime ( string $time [, int $now = time() ] ) : int

Parameters

time

A date/time string. Valid formats are explained in Date and Time Formats.

now

The timestamp which is used as a base for the calculation of relative dates.

Return

Returns a timestamp on success, FALSE otherwise.

Examples

1 · time

<?

$time = "t";

$return = strtotime($time);

echo $return;

?>

1674934745

2 · now

<?

$time = "t";
$now = time();

$return = strtotime($time, $now);

echo $return;

?>

1674934745

3 · 1

<?

echo strtotime("now") . PHP_EOL . PHP_EOL;

echo strtotime("-1 second") . PHP_EOL;
echo strtotime("-1 minute") . PHP_EOL;
echo strtotime("-1 hour") . PHP_EOL;
echo strtotime("-1 day") . PHP_EOL;
echo strtotime("-1 week") . PHP_EOL;
echo strtotime("-1 month") . PHP_EOL;
echo strtotime("-1 year") . PHP_EOL;
echo strtotime("-1 year 1 month 1 week 1 day 1 hour 1 minute 1 second") . PHP_EOL . PHP_EOL;

echo strtotime("1 second") . PHP_EOL;
echo strtotime("1 minute") . PHP_EOL;
echo strtotime("1 hour") . PHP_EOL;
echo strtotime("1 day") . PHP_EOL;
echo strtotime("1 week") . PHP_EOL;
echo strtotime("1 month") . PHP_EOL;
echo strtotime("1 year") . PHP_EOL;
echo strtotime("1 year 1 month 1 week 1 day 1 hour 1 minute 1 second") . PHP_EOL . PHP_EOL;

echo strtotime("last monday") . PHP_EOL;
echo strtotime("next monday") . PHP_EOL . PHP_EOL;

echo strtotime("1 january 2000") . PHP_EOL;
echo strtotime("1 january 3000");

?>

1674909545

1674909544
1674909485
1674905945
1674823145
1674304745
1672231145
1643373545
1646746806

1674909546
1674909605
1674913145
1674995945
1675514345
1677587945
1706445545
1709818806

1674432000
1675036800

946684800
32503680000

4 · 2

<?

$string = "next monday";
$timestamp = strtotime($string);

if ($timestamp === false) {
    echo "\"$string\" is invalid";
} else {
    echo "\"$string\" is " . date('l \t\h\e jS \o\f F Y \a\t h:i:s A', $timestamp);
}

?>

"next monday" is Monday the 30th of January 2023 at 12:00:00 AM