附：以下为附加步骤，如果你想在这台服务器上运行mysql数据库，则执行以下几步。如果你只是希望让php支持mysql扩展库，能够连接其他服务器上的mysql数据库，，那么，以下两步无需执行。
①、创建mysql数据库存放目录
mkdir -p /data0/mysql/3306/data/
mkdir -p /data0/mysql/3306/binlog/
mkdir -p /data0/mysql/3306/relaylog/
chown -r mysql:mysql /data0/mysql/
②、以mysql用户帐号的身份建立数据表：
/usr/local/webserver/mysql/bin/mysql_install_db --basedir=/usr/local/webserver/mysql --datadir=/data0/mysql/3306/data --user=mysql
③、创建my.cnf配置文件：
vi /data0/mysql/3306/my.cnf
输入以下内容：
引用[client]
character-set-server = utf8
port = 3306
socket = /tmp/mysql.sock
[mysqld]
character-set-server = utf8
replicate-ignore-db = mysql
replicate-ignore-db = test
replicate-ignore-db = information_schema
user = mysql
port = 3306
socket = /tmp/mysql.sock
basedir = /usr/local/webserver/mysql
datadir = /data0/mysql/3306/data
log-error = /data0/mysql/3306/mysql_error.log
pid-file = /data0/mysql/3306/mysql.pid
open_files_limit = 10240
back_log = 600
max_connections = 5000
max_connect_errors = 6000
table_cache = 614
external-locking = false
max_allowed_packet = 32m
sort_buffer_size = 1m
join_buffer_size = 1m
thread_cache_size = 300
#thread_concurrency = 8
query_cache_size = 512m
query_cache_limit = 2m
query_cache_min_res_unit = 2k
default-storage-engine = myisam
thread_stack = 192k
transaction_isolation = read-committed
tmp_table_size = 246m
max_heap_table_size = 246m
long_query_time = 3
log-slave-updates
log-bin = /data0/mysql/3306/binlog/binlog
binlog_cache_size = 4m
binlog_format = mixed
max_binlog_cache_size = 8m
max_binlog_size = 1g
relay-log-index = /data0/mysql/3306/relaylog/relaylog
relay-log-info-file = /data0/mysql/3306/relaylog/relaylog
relay-log = /data0/mysql/3306/relaylog/relaylog
expire_logs_days = 30
key_buffer_size = 256m
read_buffer_size = 1m
read_rnd_buffer_size = 16m
bulk_insert_buffer_size = 64m
myisam_sort_buffer_size = 128m
myisam_max_sort_file_size = 10g
myisam_repair_threads = 1
myisam_recover
interactive_timeout = 120
wait_timeout = 120
skip-name-resolve
#master-connect-retry = 10
slave-skip-errors = 1032,1062,126,1114,1146,1048,1396
#master-host = 192.168.1.2
#master-user = username
#master-password = password
#master-port = 3306
server-id = 1
innodb_additional_mem_pool_size = 16m
innodb_buffer_pool_size = 512m
innodb_data_file_path = ibdata1:256m:autoextend
innodb_file_io_threads = 4
innodb_thread_concurrency = 8
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 16m
innodb_log_file_size = 128m
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 120
innodb_file_per_table = 0
#log-slow-queries = /data0/mysql/3306/slow.log
#long_query_time = 10
[mysqldump]
quick
max_allowed_packet = 32m