QuickHashIntStringHash::update
(PECL quickhash >= Unknown)
QuickHashIntStringHash::update — This method updates an entry in the hash with a new value
Описание
$key
, string $value
)This method updates an entry with a new value, and returns whether the entry was update. If there are duplicate keys, only the first found element will get an updated value. Use QuickHashIntStringHash::CHECK_FOR_DUPES during hash creation to prevent duplicate keys from being part of the hash.
Список параметров
-
key -
The key of the entry to add.
-
value -
The new value for the entry. If a non-string is passed, it will be converted to a string automatically if possible.
Возвращаемые значения
TRUE when the entry was found and updated, and FALSE if the entry was
not part of the hash already.
Примеры
Пример #1 QuickHashIntStringHash::update() example
<?php
$hash->add( 161803398, "--" );
$hash->add( 314159265, "a lot" );
echo $hash->get( 161803398 ), "\n";
echo $hash->get( 314159265 ), "\n";
var_dump( $hash->update( 314159265, "a lot plus one" ) );
var_dump( $hash->update( 314159999, "a lot plus one" ) );
echo $hash->get( 161803398 ), "\n";
echo $hash->get( 314159265 ), "\n";
?>
Результатом выполнения данного примера будет что-то подобное:
-- a lot bool(true) bool(false) -- a lot plus one
- PHP Руководство
- Функции по категориям
- Индекс функций
- Справочник функций
- Расширения, относящиеся к переменным и типам
- Quickhash
- Функция QuickHashIntStringHash::add() - This method adds a new entry to the hash
- Функция QuickHashIntStringHash::__construct() - Creates a new QuickHashIntStringHash object
- Функция QuickHashIntStringHash::delete() - This method deletes am entry from the hash
- Функция QuickHashIntStringHash::exists() - This method checks whether a key is part of the hash
- Функция QuickHashIntStringHash::get() - This method retrieves a value from the hash by its key
- Функция QuickHashIntStringHash::getSize() - Returns the number of elements in the hash
- Функция QuickHashIntStringHash::loadFromFile() - This factory method creates a hash from a file
- Функция QuickHashIntStringHash::loadFromString() - This factory method creates a hash from a string
- Функция QuickHashIntStringHash::saveToFile() - This method stores an in-memory hash to disk
- Функция QuickHashIntStringHash::saveToString() - This method returns a serialized version of the hash
- QuickHashIntStringHash::set
- Функция QuickHashIntStringHash::update() - This method updates an entry in the hash with a new value
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