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updated redisent to make it redis 2.2 compatible
This commit is contained in:
Oleg Topchiy
parent
4bc96dd88c
commit
d39a5f57d6
@ -20,118 +20,123 @@ class RedisException extends Exception {
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*/
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class Redisent {
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/**
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* Socket connection to the Redis server
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* @var resource
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* @access private
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*/
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private $__sock;
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/**
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* Socket connection to the Redis server
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* @var resource
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* @access private
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*/
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private $__sock;
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/**
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* Redis bulk commands, they are sent in a slightly different format to the server
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* @var array
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* @access private
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*/
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private $bulk_cmds = array(
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'SET', 'GETSET', 'SETNX', 'ECHO',
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'RPUSH', 'LPUSH', 'LSET', 'LREM',
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'SADD', 'SREM', 'SMOVE', 'SISMEMBER'
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);
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/**
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* Host of the Redis server
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* @var string
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* @access public
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*/
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public $host;
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/**
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* Creates a Redisent connection to the Redis server on host {@link $host} and port {@link $port}.
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* @param string $host The hostname of the Redis server
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* @param integer $port The port number of the Redis server
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*/
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function __construct($host, $port = 6379) {
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$this->__sock = fsockopen($host, $port, $errno, $errstr);
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if (!$this->__sock) {
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throw new Exception("{$errno} - {$errstr}");
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}
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}
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/**
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* Port on which the Redis server is running
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* @var integer
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* @access public
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*/
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public $port;
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function __destruct() {
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fclose($this->__sock);
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}
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/**
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* Creates a Redisent connection to the Redis server on host {@link $host} and port {@link $port}.
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* @param string $host The hostname of the Redis server
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* @param integer $port The port number of the Redis server
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*/
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function __construct($host, $port = 6379) {
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$this->host = $host;
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$this->port = $port;
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$this->__sock = fsockopen($this->host, $this->port, $errno, $errstr);
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if (!$this->__sock) {
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throw new \Exception("{$errno} - {$errstr}");
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}
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}
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function __call($name, $args) {
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function __destruct() {
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fclose($this->__sock);
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}
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/* Build the Redis protocol command */
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$name = strtoupper($name);
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if (in_array($name, $this->bulk_cmds)) {
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$value = array_pop($args);
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$command = sprintf("%s %s %d%s%s%s", $name, trim(implode(' ', $args)), strlen($value), CRLF, $value, CRLF);
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}
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else {
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$command = sprintf("%s %s%s", $name, trim(implode(' ', $args)), CRLF);
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}
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function __call($name, $args) {
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/* Open a Redis connection and execute the command */
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fwrite($this->__sock, $command);
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/* Build the Redis unified protocol command */
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array_unshift($args, strtoupper($name));
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$command = sprintf('*%d%s%s%s', count($args), CRLF, implode(array_map(function($arg) {
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return sprintf('$%d%s%s', strlen($arg), CRLF, $arg);
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}, $args), CRLF), CRLF);
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/* Parse the response based on the reply identifier */
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$reply = trim(fgets($this->__sock, 512));
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switch (substr($reply, 0, 1)) {
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/* Error reply */
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case '-':
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echo $command."\n";
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throw new RedisException(substr(trim($reply), 4));
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break;
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/* Inline reply */
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case '+':
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$response = substr(trim($reply), 1);
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break;
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/* Bulk reply */
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case '$':
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$response = null;
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if ($reply == '$-1') {
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break;
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}
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$read = 0;
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$size = substr($reply, 1);
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do {
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$block_size = ($size - $read) > 1024 ? 1024 : ($size - $read);
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$response .= fread($this->__sock, $block_size);
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$read += $block_size;
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} while ($read < $size);
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fread($this->__sock, 2); /* discard crlf */
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break;
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/* Multi-bulk reply */
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case '*':
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$count = substr($reply, 1);
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if ($count == '-1') {
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return null;
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}
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$response = array();
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for ($i = 0; $i < $count; $i++) {
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$bulk_head = trim(fgets($this->__sock, 512));
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$size = substr($bulk_head, 1);
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if ($size == '-1') {
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$response[] = null;
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}
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else {
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$read = 0;
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$block = "";
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do {
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$block_size = ($size - $read) > 1024 ? 1024 : ($size - $read);
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$block .= fread($this->__sock, $block_size);
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$read += $block_size;
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} while ($read < $size);
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fread($this->__sock, 2); /* discard crlf */
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$response[] = $block;
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}
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}
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break;
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/* Integer reply */
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case ':':
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$response = substr(trim($reply), 1);
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break;
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default:
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throw new RedisException("invalid server response: {$reply}");
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break;
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}
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/* Party on */
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return $response;
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}
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/* Open a Redis connection and execute the command */
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for ($written = 0; $written < strlen($command); $written += $fwrite) {
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$fwrite = fwrite($this->__sock, substr($command, $written));
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if ($fwrite === FALSE) {
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throw new \Exception('Failed to write entire command to stream');
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}
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}
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/* Parse the response based on the reply identifier */
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$reply = trim(fgets($this->__sock, 512));
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switch (substr($reply, 0, 1)) {
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/* Error reply */
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case '-':
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throw new RedisException(substr(trim($reply), 4));
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break;
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/* Inline reply */
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case '+':
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$response = substr(trim($reply), 1);
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break;
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/* Bulk reply */
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case '$':
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$response = null;
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if ($reply == '$-1') {
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break;
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}
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$read = 0;
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$size = substr($reply, 1);
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do {
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$block_size = ($size - $read) > 1024 ? 1024 : ($size - $read);
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$response .= fread($this->__sock, $block_size);
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$read += $block_size;
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} while ($read < $size);
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fread($this->__sock, 2); /* discard crlf */
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break;
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/* Multi-bulk reply */
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case '*':
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$count = substr($reply, 1);
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if ($count == '-1') {
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return null;
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}
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$response = array();
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for ($i = 0; $i < $count; $i++) {
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$bulk_head = trim(fgets($this->__sock, 512));
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$size = substr($bulk_head, 1);
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if ($size == '-1') {
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$response[] = null;
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}
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else {
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$read = 0;
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$block = "";
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do {
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$block_size = ($size - $read) > 1024 ? 1024 : ($size - $read);
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$block .= fread($this->__sock, $block_size);
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$read += $block_size;
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} while ($read < $size);
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fread($this->__sock, 2); /* discard crlf */
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$response[] = $block;
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}
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}
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break;
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/* Integer reply */
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case ':':
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$response = intval(substr(trim($reply), 1));
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break;
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default:
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throw new RedisException("invalid server response: {$reply}");
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break;
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}
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/* Party on */
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return $response;
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}
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}
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