Difference between php 4 and php 5?

Question

I am looking for a place for web hosting and found out that the PHP version is 4.3 and MySQL version 4.1

But I developed my application in MySQL version 5.x and PHP version 5.x

Can someone give me the version difference?

what now i can't get?

Thanks...

Answer 1

PHP version 5 I watch how when PHP became a real language, for a number of reasons, but most importantly, because it became possible to write a respectable object-oriented code.

MySQL 4 5 - , . MySQl 5 , MySQL , , , SQL- ( ).

, , . , 5.

Answer 2

PHP:

http://www.php.net/manual/en/migration5.php

http://www.php.net/manual/en/faq.migration5.php

http://www.php.net/manual/en/migration5.incompatible.php

MySQL, :

http://dev.mysql.com/doc/mysqld-version-reference/en/key-changes.html

, MySQL 5.0 5.1, / 4.x, :

MySQL 5.0 - http://dev.mysql.com/doc/refman/5.0/en/mysql-nutshell.html

MySQL 5.1 - http://dev.mysql.com/doc/refman/5.1/en/mysql-nutshell.html

Answer 3

. PHP 5 .

, PHP 4 . Stick PHP 5 MySQL 5. , - PHP 5, 4. 4 .