# pht\HashTable::size

(PECL pht >= 0.0.1)

pht\HashTable::size — Gets the size of the hash table

### Description

public pht\HashTable::size ( ) : int

Returns the current size of the hash table. This operation requires a pht\HashTable's mutex lock to be held if it is being used by multiple threads.

### Parameters

This function has no parameters.

### Return Values

The size of the hash table.

### Examples

Example #1 Getting a hash table's size

`<?php
use pht\HashTable;
$hashTable = new HashTable();
$hashTable['a'] = 1;
$hashTable['b'] = 2;
var_dump($hashTable->size());`

The above example will output:

    int(2)