/**
* @covers ::setFormatter
*/
public function testCustomFormatter()
{
$customFormatter = new Optimized();
$browscap = new Browscap();
$browscap->setFormatter($customFormatter);
$formatter = $browscap->getFormatter();
static::assertSame($customFormatter, $formatter);
}
/**
* Gets the browser data formatter for the given user agent
* (or null if no data available, no even the default browser)
*
* @param string $user_agent
* @return \Crossjoin\Browscap\Formatter\AbstractFormatter|null
*/
public function getBrowser($user_agent)
{
$formatter = null;
foreach ($this->getPatterns($user_agent) as $patterns) {
if (preg_match("/^(?:" . str_replace("\t", ")|(?:", $patterns) . ")\$/i", $user_agent)) {
// strtok() requires less memory than explode()
$pattern = strtok($patterns, "\t");
while ($pattern !== false) {
$pattern = str_replace('[\\d]', '(\\d)', $pattern);
if (preg_match('/^' . $pattern . '$/i', $user_agent, $matches)) {
// Insert the digits back into the pattern, so that we can search the settings for it
if (count($matches) > 1) {
array_shift($matches);
foreach ($matches as $one_match) {
$num_pos = strpos($pattern, '(\\d)');
$pattern = substr_replace($pattern, $one_match, $num_pos, 4);
}
}
// Try to get settings - as digits have been replaced to speed up the pattern search (up to 90 faster),
// we won't always find the data in the first step - so check if settings have been found and if not,
// search for the next pattern.
$settings = $this->getSettings($pattern);
if (count($settings) > 0) {
$formatter = Browscap::getFormatter();
$formatter->setData($this->getSettings($pattern));
break 2;
}
}
$pattern = strtok("\t");
}
}
}
return $formatter;
}
