/**
* Converts longitude (in degrees) into tile X coordinate of the tile
* (for elliptic Mercator projection) containing the specified point
* at a specified level of zoom.
*
* @param float $longitude Longitude of the point, in degrees.</param>
* @param int $zoom Level of detail, from 0 (the whole map as single tile)
* to 23 (highest detail).
*
* @return int The tile X coordinate.
*/
function lon_to_tile_x($longitude, $zoom)
{
$longitude = clip($longitude, -180, 180);
$x = ($longitude + 180) / 360;
$size_in_tiles = 1 << $zoom;
return min((int) ($x * $size_in_tiles), $size_in_tiles - 1);
}
function wp_syntax_highlight($match)
{
global $wp_syntax_matches;
// print_r($wp_syntax_matches[0][0]);
$c = $wp_syntax_matches[0][0];
// $c = implode('\n',$wp_syntax_matches);
$i = intval($match[1]);
$match = $wp_syntax_matches[$i];
$language = strtolower(trim($match[1]));
// $line = trim($match[2]);
$line = trim(1);
$escaped = trim($match[3]);
$code = wp_syntax_code_trim($match[4]);
if ($escaped == "true") {
$code = htmlspecialchars_decode($code);
}
$geshi = new GeSHi($code, $language);
$geshi->enable_keyword_links(false);
do_action_ref_array('wp_syntax_init_geshi', array(&$geshi));
$output = "\n<div class=\"wp_syntax\">";
if ($line) {
$output .= "<table><tr><td class=\"line_numbers\">";
$output .= wp_syntax_line_numbers($code, $line);
$output .= "</td><td class=\"code\">";
$output .= $geshi->parse_code();
$clean = $wp_syntax_matches[0][0];
// Suck out Entire Pre tag
$clean = preg_replace('/^[ \\t]*[\\r\\n]+/m', '', $clean);
// Remove empty lines
$clean = implode("\n", array_slice(explode("\n", $clean), 1));
// chop off top line (pre tag)
$clean = urlencode($clean);
$clean = str_replace(array('%3C%2Fpre%3E', '%0D%0A%0D%0A%0D%0A'), "", $clean);
// remote end pre tag
$output .= "</td></tr></table>" . clip($clean);
$string = preg_replace("/<img[^>]+\\>/i", "", $string);
} else {
$output .= "<div class=\"code\">";
$output .= $geshi->parse_code();
$output .= "</div>";
}
return $output .= "</div>\n";
return $output;
}