pht\HashTable::size

(PECL pht >= 0.0.1)

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

说明

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.

参数

此函数没有参数。

返回值

The size of the hash table.

范例

示例 #1 Getting a hash table's size

<?php

use pht\HashTable;

$hashTable = new HashTable();

$hashTable['a'] = 1;
$hashTable['b'] = 2;

var_dump($hashTable->size());

以上例程会输出：

int(2)