+++ /dev/null
-<?php
-/*******************************************************************************
- * Redis PHP Bindings - http://code.google.com/p/redis/
- *
- * Copyright 2009 Ludovico Magnocavallo
- * Copyright 2009 Salvatore Sanfilippo (ported it to PHP5, fixed some bug)
- * Released under the same license as Redis.
- *
- * Version: 0.1
- *
- * $Revision: 139 $
- * $Date: 2009-03-15 22:59:40 +0100 (Dom, 15 Mar 2009) $
- *
- ******************************************************************************/
-
-
-class Redis {
- public $server;
- public $port;
- private $_sock;
-
- public function __construct($host='localhost', $port=6379) {
- $this->host = $host;
- $this->port = $port;
- }
-
- public function connect() {
- if ($this->_sock) return;
- if ($sock = fsockopen($this->host, $this->port, $errno, $errstr)) {
- $this->_sock = $sock;
- return;
- }
- $msg = "Cannot open socket to {$this->host}:{$this->port}";
- if ($errno || $errmsg)
- $msg .= "," . ($errno ? " error $errno" : "") .
- ($errmsg ? " $errmsg" : "");
- trigger_error("$msg.", E_USER_ERROR);
- }
-
- public function disconnect() {
- if ($this->_sock) @fclose($this->_sock);
- $this->_sock = null;
- }
-
- public function ping() {
- $this->connect();
- $this->write("PING\r\n");
- return $this->get_response();
- }
-
- public function do_echo($s) {
- $this->connect();
- $this->write("ECHO " . strlen($s) . "\r\n$s\r\n");
- return $this->get_response();
- }
-
- public function set($name, $value, $preserve=false) {
- $this->connect();
- $this->write(
- ($preserve ? 'SETNX' : 'SET') .
- " $name " . strlen($value) . "\r\n$value\r\n"
- );
- return $this->get_response();
- }
-
- public function get($name) {
- $this->connect();
- $this->write("GET $name\r\n");
- return $this->get_response();
- }
-
- public function mget($keys) {
- $this->connect();
- $this->write("MGET ".implode(" ",$keys)."\r\n");
- return $this->get_response();
- }
-
- public function incr($name, $amount=1) {
- $this->connect();
- if ($amount == 1)
- $this->write("INCR $name\r\n");
- else
- $this->write("INCRBY $name $amount\r\n");
- return $this->get_response();
- }
-
- public function decr($name, $amount=1) {
- $this->connect();
- if ($amount == 1)
- $this->write("DECR $name\r\n");
- else
- $this->write("DECRBY $name $amount\r\n");
- return $this->get_response();
- }
-
- public function exists($name) {
- $this->connect();
- $this->write("EXISTS $name\r\n");
- return $this->get_response();
- }
-
- public function delete($name) {
- $this->connect();
- $this->write("DEL $name\r\n");
- return $this->get_response();
- }
-
- public function keys($pattern) {
- $this->connect();
- $this->write("KEYS $pattern\r\n");
- return explode(' ', $this->get_response());
- }
-
- public function randomkey() {
- $this->connect();
- $this->write("RANDOMKEY\r\n");
- return $this->get_response();
- }
-
- public function rename($src, $dst) {
- $this->connect();
- $this->write("RENAME $src $dst\r\n");
- return $this->get_response();
- }
-
- public function renamenx($src, $dst) {
- $this->connect();
- $this->write("RENAMENX $src $dst\r\n");
- return $this->get_response();
- }
-
- public function expire($name, $time) {
- $this->connect();
- $this->write("EXPIRE $name $time\r\n");
- return $this->get_response();
- }
-
- public function push($name, $value, $tail=true) {
- // default is to append the element to the list
- $this->connect();
- $this->write(
- ($tail ? 'RPUSH' : 'LPUSH') .
- " $name " . strlen($value) . "\r\n$value\r\n"
- );
- return $this->get_response();
- }
-
- public function lpush($name, $value) {
- return $this->push($name, $value, false);
- }
-
- public function rpush($name, $value) {
- return $this->push($name, $value, true);
- }
-
- public function ltrim($name, $start, $end) {
- $this->connect();
- $this->write("LTRIM $name $start $end\r\n");
- return $this->get_response();
- }
-
- public function lindex($name, $index) {
- $this->connect();
- $this->write("LINDEX $name $index\r\n");
- return $this->get_response();
- }
-
- public function pop($name, $tail=true) {
- $this->connect();
- $this->write(
- ($tail ? 'RPOP' : 'LPOP') .
- " $name\r\n"
- );
- return $this->get_response();
- }
-
- public function lpop($name, $value) {
- return $this->pop($name, $value, false);
- }
-
- public function rpop($name, $value) {
- return $this->pop($name, $value, true);
- }
-
- public function llen($name) {
- $this->connect();
- $this->write("LLEN $name\r\n");
- return $this->get_response();
- }
-
- public function lrange($name, $start, $end) {
- $this->connect();
- $this->write("LRANGE $name $start $end\r\n");
- return $this->get_response();
- }
-
- public function sort($name, $query=false) {
- $this->connect();
- $this->write($query == false ? "SORT $name\r\n" : "SORT $name $query\r\n");
- return $this->get_response();
- }
-
- public function lset($name, $value, $index) {
- $this->connect();
- $this->write("LSET $name $index " . strlen($value) . "\r\n$value\r\n");
- return $this->get_response();
- }
-
- public function sadd($name, $value) {
- $this->connect();
- $this->write("SADD $name " . strlen($value) . "\r\n$value\r\n");
- return $this->get_response();
- }
-
- public function srem($name, $value) {
- $this->connect();
- $this->write("SREM $name " . strlen($value) . "\r\n$value\r\n");
- return $this->get_response();
- }
-
- public function sismember($name, $value) {
- $this->connect();
- $this->write("SISMEMBER $name " . strlen($value) . "\r\n$value\r\n");
- return $this->get_response();
- }
-
- public function sinter($sets) {
- $this->connect();
- $this->write('SINTER ' . implode(' ', $sets) . "\r\n");
- return $this->get_response();
- }
-
- public function smembers($name) {
- $this->connect();
- $this->write("SMEMBERS $name\r\n");
- return $this->get_response();
- }
-
- public function scard($name) {
- $this->connect();
- $this->write("SCARD $name\r\n");
- return $this->get_response();
- }
-
- public function select_db($name) {
- $this->connect();
- $this->write("SELECT $name\r\n");
- return $this->get_response();
- }
-
- public function move($name, $db) {
- $this->connect();
- $this->write("MOVE $name $db\r\n");
- return $this->get_response();
- }
-
- public function save($background=false) {
- $this->connect();
- $this->write(($background ? "BGSAVE\r\n" : "SAVE\r\n"));
- return $this->get_response();
- }
-
- public function bgsave($background=false) {
- return $this->save(true);
- }
-
- public function lastsave() {
- $this->connect();
- $this->write("LASTSAVE\r\n");
- return $this->get_response();
- }
-
- public function flushdb($all=false) {
- $this->connect();
- $this->write($all ? "FLUSHALL\r\n" : "FLUSHDB\r\n");
- return $this->get_response();
- }
-
- public function flushall() {
- return $this->flush(true);
- }
-
- public function info() {
- $this->connect();
- $this->write("INFO\r\n");
- $info = array();
- $data =& $this->get_response();
- foreach (explode("\r\n", $data) as $l) {
- if (!$l)
- continue;
- list($k, $v) = explode(':', $l, 2);
- $_v = strpos($v, '.') !== false ? (float)$v : (int)$v;
- $info[$k] = (string)$_v == $v ? $_v : $v;
- }
- return $info;
- }
-
- private function write($s) {
- while ($s) {
- $i = fwrite($this->_sock, $s);
- if ($i == 0) // || $i == strlen($s))
- break;
- $s = substr($s, $i);
- }
- }
-
- private function read($len=1024) {
- if ($s = fgets($this->_sock))
- return $s;
- $this->disconnect();
- trigger_error("Cannot read from socket.", E_USER_ERROR);
- }
-
- private function get_response() {
- $data = trim($this->read());
- $c = $data[0];
- $data = substr($data, 1);
- switch ($c) {
- case '-':
- trigger_error($data, E_USER_ERROR);
- break;
- case '+':
- return $data;
- case ':':
- $i = strpos($data, '.') !== false ? (int)$data : (float)$data;
- if ((string)$i != $data)
- trigger_error("Cannot convert data '$c$data' to integer", E_USER_ERROR);
- return $i;
- case '$':
- return $this->get_bulk_reply($c . $data);
- case '*':
- $num = (int)$data;
- if ((string)$num != $data)
- trigger_error("Cannot convert multi-response header '$data' to integer", E_USER_ERROR);
- $result = array();
- for ($i=0; $i<$num; $i++)
- $result[] =& $this->get_response();
- return $result;
- default:
- trigger_error("Invalid reply type byte: '$c'");
- }
- }
-
- private function get_bulk_reply($data=null) {
- if ($data === null)
- $data = trim($this->read());
- if ($data == '$-1')
- return null;
- $c = $data[0];
- $data = substr($data, 1);
- $bulklen = (int)$data;
- if ((string)$bulklen != $data)
- trigger_error("Cannot convert bulk read header '$c$data' to integer", E_USER_ERROR);
- if ($c != '$')
- trigger_error("Unkown response prefix for '$c$data'", E_USER_ERROR);
- $buffer = '';
- while ($bulklen) {
- $data = fread($this->_sock,$bulklen);
- $bulklen -= strlen($data);
- $buffer .= $data;
- }
- $crlf = fread($this->_sock,2);
- return $buffer;
- }
-}
-
-/*
-$r = new Redis();
-var_dump($r->set("foo","bar"));
-var_dump($r->get("foo"));
-var_dump($r->info());
-*/
-
-?>
projects / redis.git / blobdiff