By Michele E. Davis
PHP and MySQL are quick changing into the de facto usual for speedy improvement of dynamic, database-driven sites. This publication is ideal for rookies to programming in addition to hobbyists who're intimidated by way of harder-to-follow books. With strategies defined in simple English, the hot variation starts off with the fundamentals of the Hypertext Preprocessor language, and explains the best way to paintings with MySQL, the preferred open resource database. then you definately positioned the 2 jointly to generate dynamic content material. if you happen to come from an internet layout or pix layout historical past and recognize your method round HTML, Learning Hypertext Preprocessor & MySQL is the booklet you have been trying to find. The content material contains:
- PHP fundamentals comparable to strings and arrays, and development matching
- A specific dialogue of the variances in numerous Hypertext Preprocessor versions
- MySQL facts basics like tables and statements
- Information on SQL facts entry for language
- A new bankruptcy on XHTML
- Error dealing with, safeguard, HTTP authentication, and more
Learning Hypertext Preprocessor & MySQL explains every thing from primary ideas to the nuts and bolts of appearing particular projects. As a part of O'Reilly's bestselling studying sequence, the ebook is an easy-to-use source designed particularly for novices. it is a launching pad for destiny studying, supplying you with a superb beginning for extra complex improvement.
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No longer a nasty e-book. one other "Dummies" identify making anything as advanced as database programming available to the typical guy. the single factor that stored this product from a 5-star ranking was once that it starts assuming a few past wisdom of Hypertext Preprocessor and MySQL, and/ or programming normally. positive for me, yet nonetheless left with one of those quickly survey of deploy, confiquration and fundamentals and correct into the nuts and bolts of what you will have the result to be.
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Additional resources for Learning PHP & MySQL: Step-by-Step Guide to Creating Database-Driven Web Sites
It’s good style as well as practical to also start a new line after your semicolon so the code is easier to read. Since PHP files tend to switch back and forth between PHP code and HTML markup, using an HTML comment in the middle of PHP or a PHP comment in the middle of HTML makes a mess of your page, so be extra vigilant not to do this! 42 | Chapter 3: Exploring PHP The PHP files get to your web site just like any other file. To try the PHP code in Example 3-5, save the file in the document root that you selected when you installed Apache in Chapter 2.
Arrays are special collections of values that we’ll discuss in Chapter 6. The older super global variables such as those starting with $HTTP_* that were not in arrays still exist, but their use is not recommended, as they are deprecated. 01. Table 3-1. PHP super globals Variable array name Contents $GLOBALS Contains any global variables that are accessible for the local script. The variable names are used to select which part of the array to access. $_SERVER Contains information about the web server environment.
Static variables. Static variables provide a variable that isn’t destroyed when a function ends. You can use the static variable value again the next time you call the function, and it will still have the same value as when it was last used in the function. Call and execute mean the same thing, as do function and method. The easiest way to think about this is to think of the variable as global but accessible to just that function. A static keyword is used to dictate that the variable you’re working with is static, as illustrated in Figure 3-5.
Learning PHP & MySQL: Step-by-Step Guide to Creating Database-Driven Web Sites by Michele E. Davis