PHP Manual
Quickhash
The QuickHashStringIntHash class

The QuickHashStringIntHash class

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Introduction

This class wraps around a hash containing strings, where the values are integer numbers. 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

class QuickHashStringIntHash {

/* Constants */

const int CHECK_FOR_DUPES = 1;

const int DO_NOT_USE_ZEND_ALLOC = 2;

/* Methods */

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

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

public delete(string $key): bool

public exists(string $key): bool

public get(string $key): mixed

public getSize(): int

public static loadFromFile(string $filename, int $size = 0, int $options = 0): QuickHashStringIntHash

public static loadFromString(string $contents, int $size = 0, int $options = 0): QuickHashStringIntHash

public saveToFile(string $filename): void

public saveToString(): string

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

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

}

Predefined Constants

QuickHashStringIntHash::CHECK_FOR_DUPES: If enabled, adding duplicate elements to a set (through either QuickHashStringIntHash::add() or QuickHashStringIntHash::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.
QuickHashStringIntHash::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.

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