QuickHashIntSet::saveToFile()
(PECL quickhash >= Unknown)
This method stores an in-memory set to disk
说明
public QuickHashIntSet::saveToFile(string $filename): void
This method stores an existing set to a file on disk, in the same format that loadFromFile()can read.
参数
- $filename
The filename of the file to store the hash in.
返回值
没有返回值。
范例
Example #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' ); ?>