(PHP 5 >= 5.3.0, PHP 7) Alias of

(PHP 5 >= 5.2.0, PHP 7) Returns date formatted according to given format

(PHP 5 >= 5.2.0, PHP 7) Returns new DateTime object

(PHP 5 >= 5.2.0, PHP 7) Alias of

(PHP 5 >= 5.3.0, PHP 7) Adds an amount of days, months, years, hours, minutes and seconds to a DateTime

(PHP 5 >= 5.3.0, PHP 7) Creates a new DatePeriod object

(PHP 5 >= 5.2.0, PHP 7) Alias of

(PHP 5 >= 5.5.0, PHP 7) Returns new DateTimeImmutable object formatted according to the specified format

(PHP 5 >= 5.2.0, PHP 7) Returns a numerically indexed array containing all defined timezone identifiers

(PHP 5 >= 5.2.0, PHP 7) Returns associative array containing dst, offset and the timezone name