= 5.1.0, PHP 7, PHP 8)SplFileObject::seek — Seek to specified line說明public SplFileObject::seek(int $line): voidSeek to spec">

SplFileObject::seek

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

SplFileObject::seek — Seek to specified line

說明

public SplFileObject::seek(int $line): void

Seek to specified line in the file.

參數(shù)

line

The zero-based line number to seek to.

返回值

沒有返回值。

錯(cuò)誤／異常

Throws a LogicException if the line is negative.

范例

示例 #1 SplFileObject::seek() example

This example outputs the third line of the script which is found at position 2.

<?php
$file = new SplFileObject(__FILE__);
$file->seek(2);
echo $file->current();
?>

以上例程的輸出類似于：

$file->seek(2);

參見