略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: QuickHashIntSet::add

2024-05-02

QuickHashIntSet::add

(PECL quickhash >= Unknown)

QuickHashIntSet::addThis method adds a new entry to the set

说明

public QuickHashIntSet::add ( int $key ) : bool

This method adds a new entry to the set, and returns whether the entry was added. Entries are by default always added unless QuickHashIntSet::CHECK_FOR_DUPES has been passed when the set was created.

参数

key

The key of the entry to add.

返回值

TRUE when the entry was added, and FALSE if the entry was not added.

范例

Example #1 QuickHashIntSet::add() example

<?php
echo "without dupe checking\n";
$set = new QuickHashIntSet1024 );
var_dump$set->exists) );
var_dump$set->add) );
var_dump$set->exists) );
var_dump$set->add) );

echo 
"\nwith dupe checking\n";
$set = new QuickHashIntSet1024QuickHashIntSet::CHECK_FOR_DUPES );
var_dump$set->exists) );
var_dump$set->add) );
var_dump$set->exists) );
var_dump$set->add) );
?>

以上例程的输出类似于:

without dupe checking
bool(false)
bool(true)
bool(true)
bool(true)

with dupe checking
bool(false)
bool(true)
bool(true)
bool(false)
add a note add a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/quickhashintset.add.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3