SplFileObject::ftellSplFileObject::ftruncate
(PHP 5 >= 5.1.0)
SplFileObject::ftruncate — Truncates the file to a given length
Descripción
public bool SplFileObject::ftruncate
( int $size
)
Truncates the file to size bytes.
Parámetros
- 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.
Valores devueltos
Devuelve TRUE en caso de éxito o FALSE en caso de error.
Ejemplos
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();
?>
El resultado del ejemplo sería algo similar a:
Hello
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SplFileObject::ftruncate
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