TokyoTyrant::add()

(PECL tokyo_tyrant >= 0.1.0)

Adds to a numeric key

说明

publicTokyoTyrant::add(string $key, number$increment[,int $type= 0]): number

Adds to an int or double value. This increments the value by the given amount and returns the new value. If the key does not exist a new key is created with initial value of the increment parameter.

参数

$key: The string key
$increment: The amount to increment
$type: TokyoTyrant::RDBREC_INT or TokyoTyrant::RDBREC_DBL constant. If this parameter is omitted the type is guessed from the$incrementparameters type.

返回值

Returns the new value on success

范例

Example #1 TokyoTyrant::add() example

<?php
$tt = new TokyoTyrant("localhost", TokyoTyrant::RDBDEF_PORT);
/* Adds integer 3 to key and creates a new key */
$tt->add("test", 3);
/* String value is converted to double */
echo $tt->add("test", "3.5", TokyoTyrant::RDBREC_DBL);
?>

以上例程的输出类似于：

6.5

参见

TokyoTyrant::put() Puts values
TokyoTyrant::putcat() Concatenates to a record
TokyoTyrant::putkeep() Puts a record