(PECL quickhash >= Unknown)
QuickHashIntSet::getSize — Returns the number of elements in the set
此函数没有参数。
The number of elements in the set.
示例 #1 QuickHashIntSet::getSize() example
<?php
$set = new QuickHashIntSet( 8 );
var_dump( $set->add( 2 ) );
var_dump( $set->add( 3 ) );
var_dump( $set->getSize() );
?>
以上示例的输出类似于:
bool(true) bool(true) int(2)