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SplFileObject::seek

(PHP 5 >= 5.1.0, PHP 7)

SplFileObject::seek — Seek to specified line

Description

代码语言:javascript
复制
public void SplFileObject::seek ( int $line_pos )

Seek to specified line in the file.

Parameters

line_pos

The zero-based line number to seek to.

Return Values

No value is returned.

Errors/Exceptions

Throws a LogicException if the line_pos is negative.

Examples

Example #1 SplFileObject::seek() example

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

代码语言:javascript
复制
<?php
$file = new SplFileObject(__FILE__);
$file->seek(2);
echo $file->current();
?>

The above example will output something similar to:

代码语言:javascript
复制
$file->seek(2);

See Also

  • SplFileObject::current() - Retrieve current line of file
  • SplFileObject::key() - Get line number
  • SplFileObject::rewind() - Rewind the file to the first line
  • SplFileObject::valid() - Not at EOF

← SplFileObject::rewind

SplFileObject::setCsvControl →

代码语言:txt
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 © 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

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