Rewind the position of a file pointer (original) (raw)
(PHP 4, PHP 5, PHP 7)
rewind — Rewind the position of a file pointer
Description
rewind ( resource $handle ) : bool
Sets the file position indicator for handle to the beginning of the file stream.
Note:
If you have opened the file in append ("a" or "a+") mode, any data you write to the file will always be appended, regardless of the file pointer position.
Parameters
handle
The file pointer must be valid, and must point to a file successfully opened by fopen().
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 rewind() overwriting example
`<?php handle=fopen(′output.txt′,′r+′);fwrite(handle = fopen('output.txt', 'r+');fwrite(handle=fopen(′output.txt′,′r+′);fwrite(handle, 'Really long sentence.');
rewind($handle);
fwrite($handle, 'Foo');
rewind($handle);
echo
fread($handle, filesize('output.txt'));fclose($handle);
?> `
The above example will output something similar to: