Some pre-defined constants of Pdo_mysql _php Tutorial

Pdo_mysql is a mysql extension of PHP Data Objects (PDO) interface. Take a closer look at the PHP manual, but there are some interesting parameters to use, such as:

Pdo::mysql_attr_init_command (integer)
Command to execute when connecting to the MySQL server. Would automatically be re-executed when reconnecting.

When I use Pdo_mysql to connect to MySQL, I can use this parameter to automate some query. The most common use scenario is to connect MySQL using the utf-8 character set:

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CODE:
$db = new PDO ("Mysql:dbname=dbname", "User", "password", Array (pdo::mysql_attr_init_command=> "SET NAMES UTF8"));
The code above will execute SQL immediately after connecting to MySQL:

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CODE:
Set Namesutf8;
Author: Volcano

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