TP5 Cache driver Predis PHP does not have a REDIS driver module when using a Predis connection using Redis

This article mainly introduces about TP5 cache driver Predis PHP does not have Redis driver module when using Predis connection using Redis, has a certain reference value, now share to everyone, the need for friends can refer to

Use Predis to connect using Redis without the Redis driver module

Installation

Composer require Predis/predis

TP5 Cache driver Increases predis.php

<?phpnamespace think\cache\driver;use think\cache\driver;/** * Predis Cache driver, is the use of PHP without redis extension, suitable for single-machine deployment, There are front-end agents for high-availability scenarios, best performance * There is a need to implement read/write separation at the business level, or to use Rediscluster, please use REDISD driver * * required to install Predis extension: Https://github.com/nrk/predis * /class Predis extends driver{protected $options = [' Scheme ' = ' tcp ', ' host ' = ' 127.0 '.  0.1 ', ' port ' = 6379, ' password ' = ', ' select ' = 0, ' timeout ' = 0, ' expire ' and 0, ' persistent ' and false, ' prefix ' = ', ' database ' and ' = '        15,];    /** * constructor * @param array $options cache parameter * @access public */Public function __construct ($options = [])        {if (!empty ($options)) {$this->options = Array_merge ($this->options, $options); } $func = $this->options[' persistent ')?                ' Pconnect ': ' Connect ';           $this->handler = new \predis\client;     $this->handler-> $func ($this->options[' host '], $this->options[' Port '), $this->options[' timeout '); if ('! = $this->options[' password ') {$this->handler->auth ($this->options[' PA        ssWOrd ']); } if (0! = $this->options[' select ') {$this->handler->select ($this->options        [' SELECT ']);  }}/** * Determine cache * @access public * @param string $name cache variable name * @return BOOL */Public function    Has ($name) {return $this->handler->get ($this->getcachekey ($name))? True:false; /** * Read Cache * @access public * @param string $name cache variable name * @param mixed $default Default value * @return mi Xed */Public function get ($name, $default = False) {$value = $this->handler->get ($this-&GT;GETCAC                Hekey ($name));        if (Is_null ($value)) {return $default; } $jsonData =Json_decode ($value, true); Detects if JSON data is true returns the JSON parsing array, FALSE returns the source data Byron sampson<xiaobo.sun@qq.com> return (null = = $jsonData)?    $value: $jsonData; /** * Write Cache * @access public * @param string $name cache variable name * @param mixed $value store data * @par        AM integer $expire effective time (seconds) * @return Boolean */Public function set ($name, $value, $expire = null) {        if (Is_null ($expire)) {$expire = $this->options[' expire '];        } if ($this->tag &&! $this->has ($name)) {$first = true;        } $key = $this->getcachekey ($name);  Cache processing of array/object data to ensure data integrity Byron sampson<xiaobo.sun@qq.com> $value = (is_object ($value) | | Is_array ($value))?                Json_encode ($value): $value;         if (Is_int ($expire) && $expire) {$result = $this->handler->setex ($key, $expire, $value);         } else {           $result = $this->handler->set ($key, $value);                } isset ($first) && $this->settagitem ($key);    return $result; }/** * Self-cache (for numeric cache) * @access public * @param string $name cache variable name * @param int $step Stride Size *                @return False|int */Public Function Inc ($NAME, $step = 1) {$key = $this->getcachekey ($name);    return $this->handler->incrby ($key, $step); }/** * Self-retarding (for value cache) * @access public * @param string $name cache variable name * @param int $step Step Size *                @return False|int */Public function Dec ($name, $step = 1) {$key = $this->getcachekey ($name);    return $this->handler->decrby ($key, $step); }/** * Delete cache * @access public * @param string $name cache variable Name * @return Boolean */Public function R    M ($name) {return $this->handler->delete ($this->getcachekey ($name));   } /** * Clear Cache * @access Public * @param string $tag tag name * @return Boolean */Public function Clear ($t                        AG = null) {if ($tag) {//Specify label Clear $keys = $this->gettagitem ($tag);            foreach ($keys as $key) {$this->handler->delete ($key);                        } $this->rm (' Tag_ '. MD5 ($tag));        return true;    } return $this->handler->flushdb (); }}