- Remove unusedmacroses

- Remove unusedmacros

[831d6118](https://github.com/phpredis/phpredis/commit/831d6118)

([Pavlo Yatsukhnenko](https://github.com/yatsukhnenko))

This is probably the last release with PHP 5suport!!!

This is probably the last release with PHP 5support!!!

- Optimize close method[2a1ef961](https://www.github.com/phpredis/phpredis/commit/2a1ef961) ([yulonghu](https://github.com/yulonghu))

- Use a ZSETinsted of SET for EVAL tests[2e412373](https://www.github.com/phpredis/phpredis/commit/2e412373) ([Michael Grunder](https://github.com/michael-grunder))

- Use a ZSETinstead of SET for EVAL tests[2e412373](https://www.github.com/phpredis/phpredis/commit/2e412373) ([Michael Grunder](https://github.com/michael-grunder))

- Modify session testing logic[bfd27471](https://www.github.com/phpredis/phpredis/commit/bfd27471) ([Michael Grunder](https://github.com/michael-grunder))

- Documentation improvements ([@michael-grunder](https://github.com/michael-grunder),[@elcheco](https://github.com/elcheco),[@lucascourot](https://github.com/lucascourot),[@nolimitdev](https://github.com/nolimitdev),

[Michael Grunder](https://github.com/michael-grunder))

- Add tcp_keepalive option to redis sock[68c58513](https://www.github.com/phpredis/phpredis/commit/68c58513),[5101172a](https://www.github.com/phpredis/phpredis/commit/5101172a),[010336d5](https://www.github.com/phpredis/phpredis/commit/010336d5),

[51e48729](https://www.github.com/phpredis/phpredis/commit/51e48729) ([@git-hulk](https://github.com/git-hulk),[Michael Grunder](https://github.com/michael-grunder))

- More robust GEORADIUS COUNT validation[f7edee5d](https://www.github.com/phpredis/phpredis/commit/f7edee5d) ([Michael Grunder](https://github.com/michael-grunder))

- Allow to use empty string aspersistant_id[ec4fd1bd](https://www.github.com/phpredis/phpredis/commit/ec4fd1bd) ([Pavlo Yatsukhnenko](https://github.com/yatsukhnenko))

- Allow to use empty string aspersistent_id[ec4fd1bd](https://www.github.com/phpredis/phpredis/commit/ec4fd1bd) ([Pavlo Yatsukhnenko](https://github.com/yatsukhnenko))

- Documentation improvements ([Michael Grunder](https://github.com/michael-grunder),[@TomA-R](https://github.com/TomA-R))

- Fix segfault when extending Redis class in PHP 5[d23eff](https://www.github.com/phpredis/phpredis/commit/d23eff) ([Pavlo Yatsukhnenko](https://github.com/yatsukhnenko))

- Fix RedisCluster constructor with PHP 7 strict scalar type[5c21d7](https://www.github.com/phpredis/phpredis/commit/5c21d7)

([Pavlo Yatsukhnenko](https://github.com/yatsukhnenko))

- Allow to use empty string aspersistant_id[344de5](https://www.github.com/phpredis/phpredis/commit/344de5) ([Pavlo Yatsukhnenko](https://github.com/yatsukhnenko))

- Allow to use empty string aspersistent_id[344de5](https://www.github.com/phpredis/phpredis/commit/344de5) ([Pavlo Yatsukhnenko](https://github.com/yatsukhnenko))

- Fix cluster_init_seeds.[db1347](https://www.github.com/phpredis/phpredis/commit/db1347) ([@adlagares](https://github.com/adlagares))

- Fix z_seeds may be a reference[42581a](https://www.github.com/phpredis/phpredis/commit/42581a) ([@janic716](https://github.com/janic716))

- PHP >=7.3 uses zend_string for php_url elements[b566fb](https://www.github.com/phpredis/phpredis/commit/b566fb) ([@fmk](https://github.com/fmk))

This release contains two big improvements:

1. Adding a new printf like command construction function withadditionaly

1. Adding a new printf like command construction function withadditionally

format specifiers specific to phpredis.

2. Implementation of custom objects for Redis and RedisArraywich eliminates

2. Implementation of custom objects for Redis and RedisArraywhich eliminates

double hash lookup.

Also many small improvements and bug fixes were made.

- wrong size. ([@remicollet](https://github.com/remicollet))

- Added php session unit test ([@yatsukhnenko](https://github.com/weltling))

- Added explicit moduledependancy for igbinary ([@remicollet](https://github.com/remicollet))

- Added explicit moduledependency for igbinary ([@remicollet](https://github.com/remicollet))

- Added phpinfo serialization information ([@remicollet](https://github.com/remicollet))

- Fixed memory leak in discard function[17b1f427](https://www.github.com/phpredis/phpredis/commit/17b1f427)

- Sanity check for igbinary unserialization

[3266b222](https://www.github.com/phpredis/phpredis/commit/3266b222),[528297a](https://www.github.com/phpredis/phpredis/commit/528297a) ([Maurus Cuelenaere](https://github.com/mcuelenaere)).

- Fix segfaultoccuring from unclosed socket connection for Redis Cluster

- Fix segfaultoccurring from unclosed socket connection for Redis Cluster

[04196aee](https://www.github.com/phpredis/phpredis/commit/04196aee) ([CatKang](https://github.com/CatKang))

- Case insensitive zRangeByScore options

- Fixed dreaded size_t vs long long compiler warning

1.[Backoff algorithms](#backoff-algorithms)

You can set and get the maximum retries upon connection issues using the`OPT_MAX_RETRIES` option. Note that this is the number of_retries_, meaning if you set this option to_n_, there will be a maximum_n+1_attemps overall. Defaults to 10.

You can set and get the maximum retries upon connection issues using the`OPT_MAX_RETRIES` option. Note that this is the number of_retries_, meaning if you set this option to_n_, there will be a maximum_n+1_attempts overall. Defaults to 10.

_**Description**_: Execute the Redis ACL command.

_variable_:Minumum of one argument for`Redis` and two for`RedisCluster`.

_variable_:Minimum of one argument for`Redis` and two for`RedisCluster`.

val_free=redis_pack(c->flags,z_val,&val,&val_len);

kv->val=val;

kv->val_len=val_len;

kv->val_free=val_free;

redis_cmd_append_sstr(&(mc->args),data,data_len);

}

voidcluster_multi_fini(clusterMultiCmd*mc) {

mc->cmd.len=0;

redis_cmd_init_sstr(&(mc->cmd),mc->argc,mc->kw,mc->kw_len);

master=cluster_node_create(c,host,hlen,port,low,0);

zend_hash_str_update_ptr(c->nodes,key,klen,master);

for (j=3;j<r2->elements;j++) {

r3=r2->element[j];

if (!VALIDATE_SLOTS_INNER(r3)) {

mc->args.len = 0; \

mc->argc = 0; \

#defineCLUSTER_MULTI_INIT(mc,keyword,keyword_len) \

mc.kw = keyword; \

mc.kw_len = keyword_len; \