/**
* Alias the user in the analytics system
*
* @param array $alias The array of data for Segment's \Analytics::alias()
* @param bool $js Set this to generate the content as JS once you run render()
* @param array $js_options The array of options to set for the JS "options" parameter - "integrations"
* options get specified in $alias, but may be overridden here.
* @param string $js_callback If you want to use a callback function with "alias," specify it here.
*
* @return mixed True or false depending on if the PHP version succeeded, or the JS code if we compiled the JS code
*/
public function alias(array $alias = array(), $js = true, array $js_options = array(), $js_callback = null)
{
// Set the previousId
$alias['previousId'] = empty($alias['previousId']) ? $this->identity['anonymousId'] : $alias['previousId'];
// Try to locate the userId.
if (empty($alias['userId'])) {
$alias['userId'] = $this->identity['userId'];
}
// Be sure to keep things synchronized.
if (!empty($alias['userId'])) {
$this->set_user_id($alias['userId']);
}
if ($js !== true) {
return \Analytics::alias($alias);
} else {
// User ID
$js_params[] = "'" . $alias['userId'] . "'";
// Anonymous ID
$js_params[] = !empty($alias['previousId']) ? "'" . $alias['previousId'] . "'" : "null";
// JS Options
$js_params[] = $this->_set_js_options($js_options, $alias);
// JS Callback
$js_params[] = !empty($js_callback) ? $js_callback : 'null';
// Add it to the queue.
return $this->_js_scripts['alias'] = 'analytics.alias(' . implode(',', $js_params) . ');analytics.flush();';
}
}
function testAlias() {
$aliased = Analytics::alias("some_user", "new_user");
$this->assertTrue($aliased);
}
