SplFileObject::ftruncate

(PHP 5 >= 5.1.0)

SplFileObject::ftruncate — Truncates the file to a given length

설명

public bool SplFileObject::ftruncate ( int $size )

Truncates the file to size bytes.

인수

size: The size to truncate to.

Note: If size is larger than the file it is extended with null bytes.
If size is smaller than the file, the extra data will be lost.

반환값

성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.

예제

Example #1 SplFileObject::ftruncate example


<?php
// Create file containing "Hello World!"
$file = new SplFileObject("/tmp/ftruncate", "w+");
$file->fwrite("Hello World!");

// Truncate to 5 bytes
$file->ftruncate(5);

// Rewind and read data
$file->rewind();
echo $file->fgets();
?>

위 예제의 출력 예시:

Hello

참고

ftruncate() - Truncates a file to a given length