QuickHashIntSet::__construct
Creates a new QuickHashIntSet object
Description
public QuickHashIntSet::__construct(int $size
, int $options
= ?)
Parameters
-
size
-
The amount of bucket lists to configure. The number you pass in will be
automatically rounded up to the next power of two. It is also
automatically limited from 4
to 4194304
.
-
options
-
The options that you can pass in are: QuickHashIntSet::CHECK_FOR_DUPES
,
which makes sure no duplicate entries are added to the set;
QuickHashIntSet::DO_NOT_USE_ZEND_ALLOC
to not use PHP's internal memory
manager as well as one of QuickHashIntSet::HASHER_NO_HASH
,
QuickHashIntSet::HASHER_JENKINS1
or QuickHashIntSet::HASHER_JENKINS2
.
These last three configure which hashing algorithm to use. All options
can be combined using bitmasks.
Return Values
Returns a new QuickHashIntSet object.
Examples
Example #1 QuickHashIntSet::__construct example
<?php
var_dump( new QuickHashIntSet( 1024 ) );
var_dump( new QuickHashIntSet( 1024, QuickHashIntSet::CHECK_FOR_DUPES ) );
var_dump(
new QuickHashIntSet(
1024,
QuickHashIntSet::DO_NOT_USE_ZEND_ALLOC | QuickHashIntSet::HASHER_JENKINS2
)
);
?>