Php/docs/pht-hashtable.size
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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
Example #1 Getting a hash table's size
<?phpuse pht\HashTable;$hashTable = new HashTable();$hashTable['a'] = 1;$hashTable['b'] = 2;var_dump($hashTable->size());
以上例程会输出:
int(2)