QuickHashIntSet::getSize()
(PECL quickhash >= Unknown)
Returns the number of elements in the set
说明
public QuickHashIntSet::getSize(void): int
Returns the number of elements in the set.
参数
- $key
The key of the entry to add.
返回值
The number of elements in the set.
范例
Example #1 QuickHashIntSet::getSize() example
<?php $set = new QuickHashIntSet( 8 ); var_dump( $set->add( 2 ) ); var_dump( $set->add( 3 ) ); var_dump( $set->getSize() ); ?>
以上例程的输出类似于:
bool(true) bool(true) int(2)