Code Duplication    Length = 10-10 lines in 2 locations

require/class.SpotterArchive.php 2 locations

@@ 592-601 (lines=10) @@
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	    }
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	}
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	if ($airport != "")
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	{
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	    $airport = filter_var($airport,FILTER_SANITIZE_STRING);
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	    if (!is_string($airport))
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	    {
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		return false;
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	    } else {
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		$additional_query .= " AND ((spotter_archive_output.departure_airport_icao = '".$airport."') OR (spotter_archive_output.arrival_airport_icao = '".$airport."'))";
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	    }
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	}
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	if ($airport_country != "")
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	{
@@ 603-612 (lines=10) @@
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	    }
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	}
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	if ($airport_country != "")
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	{
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	    $airport_country = filter_var($airport_country,FILTER_SANITIZE_STRING);
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	    if (!is_string($airport_country))
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	    {
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		return false;
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	    } else {
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		$additional_query .= " AND ((spotter_archive_output.departure_airport_country = '".$airport_country."') OR (spotter_archive_output.arrival_airport_country = '".$airport_country."'))";
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	    }
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	}
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	if ($callsign != "")
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	{