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iso8601_timezone_to_offset › WordPress Function

Since1.5.0
Deprecatedn/a
› iso8601_timezone_to_offset ( $timezone )
Parameters:
  • (string) $timezone Either 'Z' for 0 offset or '±hhmm'.
    Required: Yes
Returns:
  • (int|float) The offset in seconds.
Defined at:
Codex:

Given an ISO 8601 timezone, returns its UTC offset in seconds.



Related Functions: wp_timezone_override_offset, wp_timezone_choice, wp_timezone_string, iso8601_to_datetime, wp_timezone_supported

Source 

function iso8601_timezone_to_offset( $timezone ) {
	// $timezone is either 'Z' or '[+|-]hhmm'.
	if ( 'Z' === $timezone ) {
		$offset = 0;
	} else {
		$sign    = ( str_starts_with( $timezone, '+' ) ) ? 1 : -1;
		$hours   = (int) substr( $timezone, 1, 2 );
		$minutes = (int) substr( $timezone, 3, 4 ) / 60;
		$offset  = $sign * HOUR_IN_SECONDS * ( $hours + $minutes );
	}
	return $offset;
}