Define ("Mysql_open_logs", true);
Class Mysqlihelp
{
Private $db;
Public Function __construct ()
{
What to do if you want to query log logs
}
Public Function __get ($name)
{
echo "__get:", $name;
if (In_array ($name, Array ("DB"), true)//Isset ($
For the three APIs used by php to connect to the mysql database, refer to the self-php Manual. This article does not make much sense. it is just for your convenience to access the Internet.
1. MySQL extension of PHP2. mysqli extension of PHP3.
Reply content:225-228 pages of "High Performance MySQL" book. It's very detailed and I'll simply sort it out:
Benefits:
(1) Parse the query only once
(2) Perform some query optimization steps only once
(3) Sending parameters via the binary protocol
0 reply: page 225-228 of the book "High Performance MySQL. I will give a brief explanation of the details:
Benefits:
(1) Parse the query only once
(2) Perform some query optimization steps only once
(3) Sending parameters via the binary protocol is
The future female: likes the movie, likes reading, has a small dream is to be a director, leads a own favorite film. Vegetarian more, delicious meat also can eat, favorite dish is sweet and sour pork ribs, cola chicken wings like sweets. Do not like
What method does PHP use to output all special characters in a string?
Similar to mysql_real_escape_string, but this is obsolete, and is not used on the database.
Reply content:
What method does PHP use to output all special characters in a
Phpmysqli entry application implementation. The mysqli extension of php is encapsulated into a class, which is an object-oriented technology with faster execution speed, compared with traditional procedural methods, mysqli is more convenient and
Today, a friend asked me a question: Why SQL injection to add single quotation marks, this time I can not answer at the moment, blame himself to blame the theory is too vegetable, but go back to think carefully, think this problem is quite
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