Get Teach yourself PHP4 in 24 hours PDF

By Matt Zandstra

Inclusive of 24 one-hour classes, Sams train your self PHP4 in 24 Hours is split into 5 sections that consultant you thru the language from the fundamentals to the complex services. the 1st component of the publication teaches the basics of personal home page. development upon what has been taught within the first part, sections via 4 help you practice that wisdom so as to have interaction with the person through growing and handling kinds, cookies and authentication. It additionally teaches the way to entry databases and the way to combine procedure elements, email, LDAP, community sockets and lots more and plenty extra. the ultimate component to the publication covers complicated performance together with tips to debug and optimize scripts, keep script safety, and expand personal home page with API.

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In order to test that Apache supports DSOs you should launch the Apache binary (httpd) with the -l argument. /www/bin/httpd -l You should see a list of modules. c among them, you should be able to proceed; otherwise, you may need to recompile Apache. The Apache distribution contains full instructions for this. If you have not already done so, you will need to download the latest distribution of PHP4. 0 Within your distribution directory you will find a script called configure. This accepts arguments that will control the features that PHP will support.

A This is a matter of preference once again. Some short scripts will be self-explanatory to you, even after a long interval. For scripts of any length or complexity, you should comment your code. This often saves you time and frustration in the long run. Workshop The Workshop provides quiz questions to help you solidify your understanding of the material covered. Try to understand the quiz answers before continuing to the next hour's lesson. Quiz answers are provided in Appendix A. 48 Quiz Can a user read the source code of PHP script you have successfully installed?

4 assigns four different data types to a single variable, testing it with gettype() each time. > 20: 21: This script produces the following: integer string double boolean An integer is a whole or real number. In simple terms, it can be said to be a number without a decimal point. A string is a collection of characters. When you work with strings in your scripts, they should always be surrounded by double (") or single (') quotation marks. A double is a floating-point number. That is, a number that includes a decimal point.

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