MemcachedPhpBagOStuff.php

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<?php
class MemcachedPhpBagOStuff extends MemcachedBagOStuff {
    protected $client;
 
    function __construct( $params ) {
        parent::__construct( $params );
 
        // Default class-specific parameters
        $params += [
            'compress_threshold' => 1500,
            'connect_timeout' => 0.5
        ];
 
        $this->client = new MemcachedClient( $params );
        $this->client->set_servers( $params['servers'] );
    }
 
    public function setDebug( $enabled ) {
        parent::debug( $enabled );
        $this->client->set_debug( $enabled );
    }
 
    protected function doGet( $key, $flags = 0, &$casToken = null ) {
        $casToken = null;
 
        return $this->client->get( $this->validateKeyEncoding( $key ), $casToken );
    }
 
    protected function doSet( $key, $value, $exptime = 0, $flags = 0 ) {
        return $this->client->set(
            $this->validateKeyEncoding( $key ),
            $value,
            $this->fixExpiry( $exptime )
        );
    }
 
    protected function doDelete( $key, $flags = 0 ) {
        return $this->client->delete( $this->validateKeyEncoding( $key ) );
    }
 
    protected function doAdd( $key, $value, $exptime = 0, $flags = 0 ) {
        return $this->client->add(
            $this->validateKeyEncoding( $key ),
            $value,
            $this->fixExpiry( $exptime )
        );
    }
 
    protected function doCas( $casToken, $key, $value, $exptime = 0, $flags = 0 ) {
        return $this->client->cas(
            $casToken,
            $this->validateKeyEncoding( $key ),
            $value,
            $this->fixExpiry( $exptime )
        );
    }
 
    public function incr( $key, $value = 1, $flags = 0 ) {
        $n = $this->client->incr( $this->validateKeyEncoding( $key ), $value );
 
        return ( $n !== false && $n !== null ) ? $n : false;
    }
 
    public function decr( $key, $value = 1, $flags = 0 ) {
        $n = $this->client->decr( $this->validateKeyEncoding( $key ), $value );
 
        return ( $n !== false && $n !== null ) ? $n : false;
    }
 
    protected function doChangeTTL( $key, $exptime, $flags ) {
        return $this->client->touch(
            $this->validateKeyEncoding( $key ),
            $this->fixExpiry( $exptime )
        );
    }
 
    protected function doGetMulti( array $keys, $flags = 0 ) {
        foreach ( $keys as $key ) {
            $this->validateKeyEncoding( $key );
        }
 
        return $this->client->get_multi( $keys );
    }
 
    protected function serialize( $value ) {
        return is_int( $value ) ? $value : $this->client->serialize( $value );
    }
 
    protected function unserialize( $value ) {
        return $this->isInteger( $value ) ? (int)$value : $this->client->unserialize( $value );
    }
}