By Ewald Geschwinde
Personal home page and PostgreSQL are loose open-source items which are splendid for growing refined net functions and companies. Hypertext Preprocessor is an effective and easy-to-learn programming language that's used on an anticipated seven million internet domain names. PostgreSQL is taken into account to be the main complicated opensource relational database administration process. It competes with high priced advertisement items akin to Oracle and IBM's DB2. Hypertext Preprocessor and PostgreSQL complex net Programming is aimed toward builders and programmers with simple wisdom of databases and net scripting languages who are looking to boost strong, safe, and cheap net functions for themselves and their consumers. starting with the required directions for fitting and developing Hypertext Preprocessor and PostgreSQL, this booklet speedy covers the fundamental good points of personal home page and PostgreSQL sooner than stepping into indepth insurance of utilizing personal home page and PostgreSQL in tandem and similar complex themes. past the assurance of simply syntax and serve as, this publication offers an entire photograph of constructing internet purposes and providers utilizing Hypertext Preprocessor and PostgreSQL. This contains sensible discussions on functionality tuning, safeguard, consultation administration, standard expressions, and lots more and plenty extra.
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Additional info for PHP and PostgreSQL: Advanced Web Programming
If you want to add extensions to PHP without recompiling the server, or if you want to try new versions of a component, shared objects can be included dynamically using the dl command. enable_dl tells PHP whether to support dynamic loading or not. • file_uploads File uploads are a potential security threat and they can easily be disabled by setting file_uploads to Off. • upload_max_filesize The maximum size of a file uploaded to the Web server can be defined in two ways. One way is to add a parameter to the HTML document.
Php for defining the beginning of a PHP script because otherwise you might run into trouble if you want to run your script on a server where short tags are turned off. • asp_tags ASP (Active Server Pages; these are the ones many people use when working with IIS) supports <% %> tags, which have the same meaning as . In the default configuration this kind of tag is turned off. • precision PHP supports variable floating-point precision. • y2k_compliance Enforces Y2K compliance. This can cause trouble with non-Y2K compliant browsers.
Simply pass the string you want to process to the crypt function and the result will be encoded using the DES algorithm. The result will be a string that you won't be able to read: i34vSr3Aueg2A As you have already seen, HTML code is a pool of special characters having a certain meaning. A good example for that is the < character, which is used to define the starting point of an HTML tag. The problem is: what can you do when you want to display a < character on the screen? The problem can easily be solved using a function called htmlspecialchars, which converts all characters having a certain meaning or which are not allowed to be used in the appropriate HTML code.