SplFileObject::fgets

(PHP 5 >= 5.1.0, PHP 7)

SplFileObject::fgets — Gets line from file

说明

public SplFileObject::fgets ( void ) : string

Gets a line from the file.

参数

此函数没有参数。

返回值

Returns a string containing the next line from the file, or FALSE on error.

错误／异常

Throws a RuntimeException if the file cannot be read.

范例

Example #1 SplFileObject::fgets() example

This example simply outputs the contents of file.txt line-by-line.

<?php
$file = new SplFileObject("file.txt");
while (!$file->eof()) {
    echo $file->fgets();
}
?>

参见