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PHP Programming quiz, level Basics, question 18
Question: Which of the following is not a valid variable name?
Answer 1: $number-in-class
This was the CORRECT answer
Answer 2: $number_in_class
Answer 3: $NumberInClass
Answer 4: $nic

This was a question from our quiz ... but we have now provided you with the answer (above) - we prefer to provide you with information rather than to puzzle you.
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Technology for PHP
PHP Programming
PHP Techniques
Object Oriented PHP
Regular Expressions
Associated courses
The MySQL Database
LAMP Deployment
Other Information
H050 - PHP - General
H101 - Introduction to PHP
H102 - A First PHP Web Page
H103 - Variables, Operators and Expressions
H104 - Control Statements
H105 - Functions
H106 - Arrays
H107 - String Handling in PHP
H108 - Objects in PHP
H109 - Input / Output
H110 - HTML Web Page Data Handling
H112 - Further Web Page and Network Handling
H113 - Using MySQL Databases in PHP Pages
H114 - Sourcing, installing and configuring PHP
H115 - Designing PHP-Based Solutions: Best Practice
H116 - Shopping Cart Application in PHP
H117 - Security in PHP
H118 - Generating CSS through PHP
H201 - PHP and MySQL for Content Management
H202 - Case Study
H203 - Complete example - Registering for a get-together
H204 - PHP and MySQL example application - adhoc database analysis
H300 - PHP Revision
H301 - Sticky fields and session
H302 - MVC, 4 layer model and templating
H303 - Long and short term cookies and security
H304 - DDA, Style and image handling
H305 - Web server configuration
H306 - Who is your visitor?
H307 - Web2 and caching
H308 - Searches, and search engines
H309 - Maps, Graphics and Geographics
H310 - Putting it all together
H312 - Tips and Techniques
H998 - ADOdb
H999 - Additional PHP Material
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