public function getByName($name, $type, $transpose = 0)
{
$this->name = Strings::ucfirst($name);
$this->type = Strings::sanitize_u($type);
$notes = $this->getNotes();
if (in_array($this->type, array_keys($this->config))) {
$start = array_keys($notes, $this->name);
$note_sum = sizeof($notes) - 1;
if (count($start) > 0) {
if ($start[0] + $transpose < 0) {
$current = $start[0] + $transpose + $note_sum + 1;
} else {
if ($start[0] + $transpose > $note_sum) {
$current = $start[0] + $transpose - $note_sum - 1;
} else {
$current = $start[0] + $transpose;
}
}
$this->chord[] = $notes[$current];
foreach ($this->config[$this->type] as $num) {
$current += $num;
if ($current > $note_sum) {
$current -= $note_sum + 1;
}
$this->chord[] = $notes[$current];
}
return $this->chord;
}
}
}
public function getByChords($chords)
{
$_chord = new Chord();
$notes = array();
foreach ($chords as $chord) {
$name = Strings::ucfirst($chord["name"]);
$type = Strings::sanitize_u($chord["type"]);
$_chord->getByName($name, $type);
$notes = array_merge($notes, $_chord->notes);
}
$notes = array_unique($notes);
$this->possible = array();
$scales = $this->getTypes();
for ($i = 0; $i < 12; $i++) {
foreach ($scales as $scale) {
$this->scale = null;
$this->getByName("C", $scale, $i);
if ($this->containsNotes($notes, $this->scale)) {
array_push($this->possible, array("name" => current($this->scale), "type" => $scale));
}
}
}
return $this->possible;
}