读取文件

function readFiles($file_path){
	$handle = fopen($file_path, 'r');
	while (!feof($handle)) {
		yield trim(fgets($handle));
	}
	fclose($handle);
}

$words = readFiles('./word.txt');
foreach($words as $word){
    $word_list = explode(',',$word);
    foreach($word_list as $k=>$v){
        print_r($v);die;
    }    
}