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php與mysql連接不上解決方法:
1、獲取當(dāng)前 mysql.default_socket、mysqli.default_socket、pdo_mysql.default_socket 配置信息
建立一個(gè) PHP 文件, 顯示 phpinfo():
用瀏覽器打開:
在此頁面,找到mysql.default_socket、mysqli.default_socket、pdo_mysql.default_socket信息:
2、獲取 MySQL socket 路徑
通過控制臺(tái)進(jìn)入 MySQL, 輸入命令: STATUS, 查找 UNIX socket 值
#mysql -u root -p Enter password: Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 8 Server version: 5.7.11 MySQL Community Server (GPL) Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type ‘help;‘ or ‘\h‘ for help. Type ‘\c‘ to clear the current input statement. mysql> STATUS -------------- mysql Ver 14.14 Distrib 5.7.11, for osx10.9 (x86_64) using EditLine wrapper Connection id: 8 Current database: Current user: root@localhost SSL: Not in use Current pager: less Using outfile: ‘‘ Using delimiter: ; Server version: 5.7.11 MySQL Community Server (GPL) Protocol version: 10 Connection: Localhost via UNIX socket Server characterset: utf8 Db characterset: utf8 Client characterset: utf8 Conn. characterset: utf8 UNIX socket: /tmp/mysql.sock Uptime: 8 days 15 hours 1 min 17 sec Threads: 2 Questions: 21 Slow queries: 0 Opens: 114 Flush tables: 1 Open tables: 0 Queries per second avg: 0.000 --------------
3、這時(shí)候, 你對比 mysql.default_socket、mysqli.default_socket、pdo_mysql.default_socket 和 通過 MySQL UNIX socket 發(fā)現(xiàn)不一樣, 這就是 mysql_connect(); 警告的原因: PHP 配置 mysql 有問題.
4、重新配置 PHP, 打開php.ini修改mysql.default_socket、mysqli.default_socket、pdo_mysql.default_socket 的值為: /tmp/mysql.sock
pdo_mysql.default_socket=/tmp/mysql.sock mysql.default_socket=/tmp/mysql.sock mysqli.default_socket=/tmp/mysql.sock
或者修改my.cnf的socket:
[client] socket=/tmp/mysql.sock [mysqld] socket=/tmp/mysql.sock
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