APCUBagOStuff.php

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<?php
class APCUBagOStuff extends APCBagOStuff {
    public function __construct( array $params = [] ) {
        parent::__construct( $params );
    }
 
    protected function doGet( $key, $flags = 0 ) {
        return $this->getUnserialize(
            apcu_fetch( $key . self::KEY_SUFFIX )
        );
    }
 
    public function set( $key, $value, $exptime = 0, $flags = 0 ) {
        apcu_store(
            $key . self::KEY_SUFFIX,
            $this->setSerialize( $value ),
            $exptime
        );
 
        return true;
    }
 
    public function delete( $key ) {
        apcu_delete( $key . self::KEY_SUFFIX );
 
        return true;
    }
 
    public function incr( $key, $value = 1 ) {
        if ( apcu_exists( $key . self::KEY_SUFFIX ) ) {
            return apcu_inc( $key . self::KEY_SUFFIX, $value );
        } else {
            return false;
        }
    }
 
    public function decr( $key, $value = 1 ) {
        if ( apcu_exists( $key . self::KEY_SUFFIX ) ) {
            return apcu_dec( $key . self::KEY_SUFFIX, $value );
        } else {
            return false;
        }
    }
}