PHP & MySQL For Dummies, 4th Edition [Janet Valade] on hitgym1.xyz *FREE* shipping on qualifying offers. Here's what Web designers need to know to. By Janet Valade. Variables can store data of different types, and different types of data can do different things. For example, you can add variables whose values. Christian Baun - PHP 5 für Dummies jetzt kaufen. 2 Kundrezensionen und Sterne. Programmiersprachen, Computers. Geben Sie die Zeichen unten ein Wir bitten um Ihr Verständnis und wollen uns sicher sein dass Sie kein Bot sind. Be careful when doing type casts. Files lesen und schreiben. Technically, the third statement is not possible st pauli karlsruhe the data to be added are different types. Related Book HTML5 and CSS3 All-in-One For Dummies, 3rd Edition. Learn Art Center Crafts Education Languages Photography Test Prep. Toggle navigation Search Submit. For best results, please make sure your browser is accepting cookies. Boolean values are used mainly to compare conditions for use in conditional statements. Enter the characters you see below Sorry, we just need to make sure you're not a robot. Dummies helps everyone be more knowledgeable and confident in applying what they know. PHP communicates with MySQL databases by sending SQL queries. From PHP and MySQL For Dummies, 4th Edition. If you echo a Boolean variable, the value FALSE displays as a blank string; the value TRUE echoes as a 1. Sorry, we just need to make sure you're not a robot. In such a case, you can specify how you want PHP to store the data, rather than let PHP decide for itself. Considering the Various Uses for the PHP Scripting PHP is a general-purpose language that can be used to write general-purpose scripts. PHP evaluates the data when you assign it to the variable and then stores it as the appropriate type.