(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplFileObject::getMaxLineLen — Get maximum line length
Gets the maximum line length as set by SplFileObject::setMaxLineLen().
此函数没有参数。
Returns the maximum line length if one has been set with
SplFileObject::setMaxLineLen(), default is 0.
示例 #1 SplFileObject::getMaxLineLen() example
<?php
$file = new SplFileObject("file.txt");
var_dump($file->getMaxLineLen());
$file->setMaxLineLen(20);
var_dump($file->getMaxLineLen());
?>以上示例的输出类似于：
int(0) int(20)