function XYZ_Lab($o)
{
$r = $this->White;
function fu($n)
{
if ($n > 0.008855999999999999) {
return pow($n, 1 / 3);
} else {
return 7.787 * $n + 16 / 116;
}
}
$X = fu($o['X'] / $r['X']);
$Y = fu($o['Y'] / $r['Y']);
$Z = fu($o['Z'] / $r['Z']);
return array('L' => 116 * $Y - 16, 'a' => 500 * ($X - $Y), 'b' => 200 * ($Y - $Z));
}
function get_next_redirection($circulars_clean, $redirect_to_new)
{
foreach ($circulars_clean as $redirection_id => $circular) {
// If the current redirection has already been handled, continue.
// if ( array_key_exists( $redirection_id, $this->_parsed_redirections ) || in_array( $redirection_id, $this->_circular_ids ) ) {
// continue;
// }
extract($circular);
if ($redirect_to == $redirect_to_new) {
//return false;
}
$root = true;
// If the redirect_to is not at root level (/xyz), check only last part of redirect_from.
/* if ( 0 !== strpos( $redirect_to_new, '/' ) ) {
// Deeper level.
$root = false;
$redirect_from = substr( strrchr( $redirect_from, '/' ), 1 );
}*/
if (0 !== strpos($redirect_to_new, '/')) {
// Deeper level.
$root = false;
$a = substr($redirect_from, strrpos($redirect_from, '/'));
fu($redirect_to_new);
$redirect_from = substr(strrchr($redirect_from, '/'), 1);
}
if (false !== strpos($redirect_from, '*')) {
// WILDCARD redirection.
$redirect_from = str_replace('*', '(.*)', $redirect_from);
$pattern = '/^' . str_replace('/', '\\/', $redirect_from) . '$/';
/*echo "<pre>";
var_dump("pattern: ".$pattern);
var_dump("from : ".$redirect_from);
var_dump("to_new : ".$redirect_to_new);
var_dump("matched: ".preg_match( $pattern, $redirect_to_new ));
echo "</pre>";*/
if (preg_match($pattern, $redirect_to_new)) {
// Pattern matched.
return $redirection_id;
}
} elseif ($redirect_from === $redirect_to_new) {
// SIMPLE redirection.
return $redirection_id;
}
}
return false;
}