What are the limitations of using the date_default_timezone_get() function in PHP for timezone detection?

The date_default_timezone_get() function in PHP may not always accurately detect the correct timezone, especially if the server's timezone is not set correctly or if the function is overridden elsewhere in the code. To ensure accurate timezone detection, it is recommended to use the DateTime class with the setTimeZone() method to explicitly set the timezone. 

// Explicitly set the timezone using the DateTime class
$timezone = 'America/New_York';
$date = new DateTime('now', new DateTimeZone($timezone));
echo $date->format('Y-m-d H:i:s');

Keywords

date_default_timezone_get limitations timezone detection PHP function

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