}
?>
>acres</option>
<option value="hectares"<?php
if ($from_unit == 'hectares') {
echo " selected";
}
?>
>hectares</option>
</select>
</div>
<div class="entry">
<label>To:</label>
<input type="text" name="to_value" value="<?php
echo float_to_string($to_value);
?>
" />
<select name="to_unit">
<option value="square_inches"<?php
if ($to_unit == 'square_inches') {
echo " selected";
}
?>
>square inches</option>
<option value="square_feet"<?php
if ($to_unit == 'square_feet') {
echo " selected";
}
?>
>square feet</option>
h2("LatLngBounds class: maximum bounds in GMaps");
$bounds3 = new LatLngBounds(new LatLng(-85.051128779807, -180), new LatLng(85.051128779807, 180));
h3("Constructor (new LatLng(-85.051128779807, -180), new LatLng(85.051128779807, 180))");
p($bounds3->toString());
h3("getCenter()");
p($bounds3->getCenter()->toString());
h3("getSouthWest()");
p($bounds3->getSouthWest()->toString());
h3("getNorthEast()");
p($bounds3->getNorthEast()->toString());
h3('contains(moscow)');
p($bounds3->contains($moscow));
h3('contains(sydney)');
p($bounds3->contains($sydney));
h3('contains(buenosaires)');
p($bounds3->contains($buenosaires));
h2('Spherical geometry static class');
h3('computeArea(london, donostia, newyork)');
p(float_to_string(SphericalGeometry::computeArea(array($london, $donostia, $newyork))));
h3('computeSignedArea(london, donostia, newyork)');
p(float_to_string(SphericalGeometry::computeSignedArea(array($london, $donostia, $newyork))));
h3('computeDistanceBetween(london, newyork)');
p(float_to_string(SphericalGeometry::computeDistanceBetween($london, $newyork)));
h3('computeHeading(london, newyork)');
p(float_to_string(SphericalGeometry::computeHeading($london, $newyork)));
h3('computeLength(london, newyork, moscow, sydney)');
p(float_to_string(SphericalGeometry::computeLength(array($london, $newyork, $moscow, $sydney))));
h3('computeOffset(london, 5576353.232683, -71.669371)');
p(SphericalGeometry::computeOffset($london, 5576353.232683, -71.669371)->toString());
h3('interpolate(newyork, sydney, 0.7)');
p(SphericalGeometry::interpolate($newyork, $sydney, 0.7)->toString());
