/**
* get all codepoints of a string
*/
public static function parseString($string, $db)
{
$cps = [];
if (mb_strlen($string) < self::PARSE_STRING_MAXLENGTH) {
foreach (preg_split('/(?<!^)(?!$)/u', $string) as $c) {
$cc = unpack('N', mb_convert_encoding($c, 'UCS-4BE', 'UTF-8'));
try {
$cx = Codepoint::getCP($cc[1], $db);
// test, if codepoint exists
$cx->getName();
$cps[] = $cx;
} catch (Exception $e) {
}
}
}
return $cps;
}
/**
* get the names of all characters in the set
*/
protected function fetchNames($set)
{
$this->sanitizeSet($set);
$names = [];
if (count($set) > 0) {
$query = $this->db->prepare("\n SELECT cp, na, na1, (SELECT codepoint_image.image\n FROM codepoint_image\n WHERE codepoint_image.cp = codepoints.cp) image\n FROM codepoints\n WHERE cp IN (" . join(',', $set) . ")");
$query->execute();
$r = $query->fetchAll(\PDO::FETCH_ASSOC);
$query->closeCursor();
if ($r !== False) {
foreach ($r as $cp) {
if (!$cp['image']) {
$cp['image'] = '';
}
$names[intval($cp['cp'])] = Codepoint::getCP(intval($cp['cp']), $this->db, ['name' => $cp['na'] ? $cp['na'] : ($cp['na1'] ? $cp['na1'] . '*' : '<control>'), 'block' => $this, 'image' => 'data:image/png;base64,' . $cp['image']]);
}
}
}
return $names;
}
