PHP - load random queue from file with lines terminated by \n

php_load_file_into_random_queue.php

function load_queues($path) {
        $queuesTemp = array();

	$contents = file_get_contents($path);
	$contents = explode("\n", $contents);

	foreach($contents as $content)
	{
		if(!in_array(trim($content), $queuesTemp)) {
			$queuesTemp[] = trim($content);
		}
	}

	$removeat = array();
	$queues = array();

	foreach($queuesTemp as $queue) {
		$b = rand(0, count($queuesTemp) - 1);
		while(in_array($b, $removeat)) {
			$b = rand(0, count($queuesTemp) - 1);
		}
		$queues[$b] = $queue;
		$removeat[] = $b;
	}

	return $queues;
}

This function was not designed for performance