The QuickHashIntStringHash class

(PECL quickhash >= Unknown)

Introduction

This class wraps around a hash containing integer numbers, where the values are strings. Hashes are also available as implementation of the ArrayAccess interface.

Hashes can also be iterated over with foreach as the Iterator interface is implemented as well. The order of which elements are returned in is not guaranteed.

Class synopsis

QuickHashIntStringHash {

/* Constants */

const integer CHECK_FOR_DUPES = 1 ;

const integer DO_NOT_USE_ZEND_ALLOC = 2 ;

const integer HASHER_NO_HASH = 256 ;

const integer HASHER_JENKINS1 = 512 ;

const integer HASHER_JENKINS2 = 1024 ;

/* Methods */

public bool add ( int $key , string $value )

public __construct ( int $size [, int $options = 0 ] )

public bool delete ( int $key )

public bool exists ( int $key )

public mixed get ( int $key )

public int getSize ( void )

public static QuickHashIntStringHash loadFromFile ( string $filename [, int $size = 0 [, int $options = 0 ]] )

public static QuickHashIntStringHash loadFromString ( string $contents [, int $size = 0 [, int $options = 0 ]] )

public void saveToFile ( string $filename )

public string saveToString ( void )

public int set ( int $key , string $value )

public bool update ( int $key , string $value )

}

Predefined Constants

QuickHashIntStringHash::CHECK_FOR_DUPES: If enabled, adding duplicate elements to a set (through either add() or loadFromFile()) will result in those elements to be dropped from the set. This will take up extra time, so only used when it is required.
QuickHashIntStringHash::DO_NOT_USE_ZEND_ALLOC: Disables the use of PHP's internal memory manager for internal set structures. With this option enabled, internal allocations will not count towards the memory_limit settings.
QuickHashIntStringHash::HASHER_NO_HASH: Selects to not use a hashing function, but merely use a modulo to find the bucket list index. This is not faster than normal hashing, and gives more collisions.
QuickHashIntStringHash::HASHER_JENKINS1: This is the default hashing function to turn the integer hashes into bucket list indexes.
QuickHashIntStringHash::HASHER_JENKINS2: Selects a variant hashing algorithm.

QuickHashIntStringHash::add — This method adds a new entry to the hash
QuickHashIntStringHash::__construct — Creates a new QuickHashIntStringHash object
QuickHashIntStringHash::delete — This method deletes am entry from the hash
QuickHashIntStringHash::exists — This method checks whether a key is part of the hash
QuickHashIntStringHash::get — This method retrieves a value from the hash by its key
QuickHashIntStringHash::getSize — Returns the number of elements in the hash
QuickHashIntStringHash::loadFromFile — This factory method creates a hash from a file
QuickHashIntStringHash::loadFromString — This factory method creates a hash from a string
QuickHashIntStringHash::saveToFile — This method stores an in-memory hash to disk
QuickHashIntStringHash::saveToString — This method returns a serialized version of the hash
QuickHashIntStringHash::set — This method updates an entry in the hash with a new value, or adds a new one if the entry doesn't exist
QuickHashIntStringHash::update — This method updates an entry in the hash with a new value

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QuickHashStringIntHash::update

QuickHashIntStringHash::add

Quickhash

PHP Manual

PHP5

Для web разработчика

Dec 03
The QuickHashIntStringHash class

The QuickHashIntStringHash class

Introduction

Class synopsis

Predefined Constants

Table of Contents

Коментарии

404 Not Found

PHP5

Для web разработчика

Dec 03The QuickHashIntStringHash class

The QuickHashIntStringHash class

Introduction

Class synopsis

Predefined Constants

Table of Contents

Коментарии

404 Not Found

Dec 03
The QuickHashIntStringHash class