SplFileObject::ftellSplFileObject::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
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SplFileObject::ftruncate
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