deprecated meaning in php

The error message is as follows:Warning: Call-time pass-by-reference has been deprecated in E: Website Directory www Directory a. php on line 46Warning: Call-time pass-by-reference has been deprecated in E: www Directory a. php on line 47Warning:

The MySQL 5.5 version was used today and there was an error. The error prompts are as follows:Deprecated:mysql_connect (): The MySQL extension is Deprecated and would be a removed in the Future:use mysqli or PDO Instea D inSee the meaning is very

First: Open the databaseTo operate the SQL database, you must first establish a connection to the MySQL server and connect to the MySQL server statement:mysql_connect (' hostname ', ' username ', ' password ')The return value of the function is used

Solution Deprecated:mysql_connect (): The MySQL extension is deprecated and would be removed in the Future:use mysqli or PDO Inst EAD In,pdomysqli PHP 5 version, 5.2, 5.3, 5.4, 5.5, afraid to keep up with the times, the new server directly on the 5.

from:http://www.ttlsa.com/php/deprecated-mysql-connect/PHP 5 version, 5.2, 5.3, 5.4, 5.5, afraid to keep up with the times, the new server directly on the 5.5, but the program appears the following error: Deprecated:mysql_connect (): The MySQL

PHP 5 version, 5.2, 5.3, 5.4, 5.5, afraid to keep up with the times, the new server directly on the 5.5, but the program appears the following error: Deprecated:mysql_connect (): The MySQL extension is Deprecated And will is removed in the

PHP5 version, 5.2, 5.3, 5.4, 5.5, afraid to keep up with the times, the new server directly on 5.5, but the program appears the following error: Deprecated:mysql_connect (): The MySQL extension is Deprecated And will is removed in the Future:use

PHP 5 version, 5.2, 5.3, 5.4, 5.5, afraid to keep up with the times, the new server directly on the 5.5, but the program appears the following error: Deprecated:mysql_connect (): The MySQL extension is Deprecated And will is removed in the

Mysqli more rigorous, safe and efficientPHP 5 version, 5.2, 5.3, 5.4, 5.5, afraid to keep up with the times, the new server directly on the 5.5, but the program appears the following error: Deprecated:mysql_connect (): The MySQL extension is

1. What is the difference between double quotation marks and single quotation marks? Double quote explanatory variable, single quote not explanatory variable; Enclose single quotation marks in double quotes, in which the variable is