TokyoTyrant::add

(PECL tokyo_tyrant >= 0.1.0)

TokyoTyrant::add — Adds to a numeric key

说明

public TokyoTyrant::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 increment parameters 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

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