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rewind

(PHP 4, PHP 5)

rewindRewind the position of a file pointer

설명

bool rewind ( resource $handle )

Sets the file position indicator for handle to the beginning of the file stream.

Note: If you have opened the file in append ("a" or "a+") mode, any data you write to the file will always be appended, regardless of the file position.

인수

handle

The file pointer must be valid, and must point to a file successfully opened by fopen().

반환값

성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다.

예제

Example #1 rewind() overwriting example

<?php
$handle 
fopen('output.txt''r+');

fwrite($handle'Really long sentence.');
rewind($handle);
fwrite($handle'Foo');
rewind($handle);

echo 
fread($handlefilesize('output.txt'));

fclose($handle);
?>

위 예제의 출력 예시:

Foolly long sentence.

참고


파일시스템 함수 목록
PHP Manual