(PHP 4, PHP 5, PHP 7) Return current Unix timestamp with microseconds
(PHP 4, PHP 5, PHP 7) Parse about any English textual datetime description into a Unix timestamp
(PHP 5 >= 5.2.0, PHP 7) Alias of
(PHP 5 >= 5.1.2, PHP 7) Returns an array with information about sunset/sunrise and twilight begin/end
(PHP 4, PHP 5, PHP 7) Get the local time array
(PHP 4, PHP 5, PHP 7) Get Unix timestamp for a GMT date
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