(PHP 5 >= 5.1.0)
SplFileObject::ftruncate — Truncates the file to a given length
$size
)
Truncates the file to size
bytes.
size
The size to truncate to.
Nota:
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.
Retorna TRUE
em caso de sucesso ou FALSE
em caso de falha.
Exemplo #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();
?>
O exemplo acima irá imprimir algo similar à:
Hello