function readFromFile($fileName,&$arrOutPut){
$handle = @fopen($fileName, "r");
if ($handle) {
while (!feof($handle)) {
$buffer = fgets($handle, 4096);
$arrOutPut[] = $buffer ;
}
fclose($handle);
}
}
readFromFile("./xxx.list",$arrData);
原文：https://www.cnblogs.com/zhaoyixing/p/14670337.html