(PECL quickhash >= Unknown)
QuickHashIntSet::saveToFile — This method stores an in-memory set to disk
This method stores an existing set to a file on disk, in the same format that QuickHashIntSet::loadFromFile() can read.
filenameThe filename of the file to store the hash in.
値を返しません。
例1 QuickHashIntSet::saveToFile() example
<?php
$set = new QuickHashIntSet( 1024 );
var_dump( $set->exists( 4 ) );
var_dump( $set->add( 4 ) );
var_dump( $set->exists( 4 ) );
var_dump( $set->add( 4 ) );
$set->saveToFile( '/tmp/test.set' );
?>