Php/docs/splfileobject.setmaxlinelen
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SplFileObject::setMaxLineLen
(PHP 5 >= 5.1.0, PHP 7)
SplFileObject::setMaxLineLen — Set maximum line length
说明
public SplFileObject::setMaxLineLen
( int $max_len
) : void
Sets the maximum length of a line to be read.
参数
max_len
- The maximum length of a line.
返回值
没有返回值。
范例
Example #1 SplFileObject::setMaxLineLen() example
<?php$file = new SplFileObject("lipsum.txt");$file->setMaxLineLen(20);foreach ($file as $line) { echo $line . "\n";}?>
Contents of lipsum.txt
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Duis nec sapien felis, ac sodales nisl. Nulla vitae magna vitae purus aliquet consequat.
以上例程的输出类似于:
Lorem ipsum dolor s it amet, consectetu r adipiscing elit. Duis nec sapien fel is, ac sodales nisl . Nulla vitae magna v itae purus aliquet consequat.