mirror of
https://github.com/predis/predis.git
synced 2026-08-21 17:40:56 +00:00
Daniele Alessandri
09895f27bf
We also changed our wording to indentify this kind of abstraction so instead of using "scripted commands" (kind of broken English) we now use "scriptable commands".
68 lines
1.6 KiB
PHP
68 lines
1.6 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of the Predis package.
|
|
*
|
|
* (c) Daniele Alessandri <suppakilla@gmail.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
require 'SharedConfigurations.php';
|
|
|
|
// This example will not work with versions of Redis < 2.6.
|
|
//
|
|
// Additionally to the EVAL command defined in the current development profile,
|
|
// the Predis\Command\ScriptCommand class can be used to build an higher level
|
|
// abstraction for "scriptable" commands so that they will appear just like any
|
|
// other command on the client-side. This is a quick example used to implement
|
|
// INCREX.
|
|
|
|
use Predis\Command\ScriptCommand;
|
|
|
|
class IncrementExistingKeysBy extends ScriptCommand
|
|
{
|
|
public function getKeysCount()
|
|
{
|
|
// Tell Predis to use all the arguments but the last one as arguments
|
|
// for KEYS. The last one will be used to populate ARGV.
|
|
return -1;
|
|
}
|
|
|
|
public function getScript()
|
|
{
|
|
return
|
|
<<<LUA
|
|
local cmd, insert = redis.call, table.insert
|
|
local increment, results = ARGV[1], { }
|
|
|
|
for idx, key in ipairs(KEYS) do
|
|
if cmd('exists', key) == 1 then
|
|
insert(results, idx, cmd('incrby', key, increment))
|
|
else
|
|
insert(results, idx, false)
|
|
end
|
|
end
|
|
|
|
return results
|
|
LUA;
|
|
}
|
|
}
|
|
|
|
$client = new Predis\Client($single_server);
|
|
|
|
$client->getProfile()->defineCommand('increxby', 'IncrementExistingKeysBy');
|
|
|
|
$client->mset('foo', 10, 'foobar', 100);
|
|
|
|
var_export($client->increxby('foo', 'foofoo', 'foobar', 50));
|
|
|
|
/*
|
|
array (
|
|
0 => 60,
|
|
1 => NULL,
|
|
2 => 150,
|
|
)
|
|
*/
|