assertSame("'St. John's'", addQuotes("St. John's")); $this->assertSame("''", addQuotes('')); } public function test_looksLikeLatLonPair() { // no coordinates expected $this->assertNull(looksLikeLatLonPair('')); $this->assertNull(looksLikeLatLonPair('abc')); $this->assertNull(looksLikeLatLonPair('12 34')); $this->assertNull(looksLikeLatLonPair('200.1 89.9')); // because latitude > 180 // coordinates expected $this->assertNotNull(looksLikeLatLonPair('0.0 -0.0')); $this->assertEquals( array( 'lat' => 12.456, 'lon' => -78.90, 'query' => 'abc def'), looksLikeLatLonPair(' abc 12.456 -78.90 def ') ); $this->assertEquals( array( 'lat' => 12.456, 'lon' => -78.90, 'query' => ''), looksLikeLatLonPair(' [12.456,-78.90] ') ); // http://en.wikipedia.org/wiki/Geographic_coordinate_conversion // these all represent the same location $aQueries = array( '40 26.767 N 79 58.933 W', '40° 26.767′ N 79° 58.933′ W', "40° 26.767' N 79° 58.933' W", 'N 40 26.767, W 79 58.933', 'N 40°26.767′, W 79°58.933′', "N 40°26.767', W 79°58.933'", '40 26 46 N 79 58 56 W', '40° 26′ 46″ N 79° 58′ 56″ W', 'N 40 26 46 W 79 58 56', 'N 40° 26′ 46″, W 79° 58′ 56″', 'N 40° 26\' 46", W 79° 58\' 56"', '40.446 -79.982', '40.446,-79.982', '40.446° N 79.982° W', 'N 40.446° W 79.982°', '[40.446 -79.982]', ' 40.446 , -79.982 ', ); foreach($aQueries as $sQuery){ $aRes = looksLikeLatLonPair($sQuery); $this->assertEquals( 40.446, $aRes['lat'], 'degrees decimal ' . $sQuery, 0.01); $this->assertEquals(-79.982, $aRes['lon'], 'degrees decimal ' . $sQuery, 0.01); } } }