public function open()
{
$this->values = array();
$this->openStream();
$foundStart = false;
while (($line = fgets($this->stream)) !== false) {
// skip heading lines
if (!$foundStart) {
if (preg_match('/Continent\\s+codes\\s*[:]/i', $line)) {
$foundStart = true;
}
continue;
}
$line = trim($line);
// skip trailing lines
if (empty($line)) {
break;
}
if (!preg_match('/([A-Z]+)[ :\\t]+([^\\t]+)[^0-9]+([0-9]+)/', $line, $matches)) {
throw new \Exception("Cannot parse {$file}");
}
array_shift($matches);
$this->values[] = $matches;
}
$this->size = count($this->values);
parent::close();
}
private function file_contents($name, $type)
{
$dir = $type;
$filename = $name . '.' . $type;
//read file and return content
self::$file_content = file_get_contents($dir . '/' . $filename);
}