Would I use print "$a dollars" or "{$a} dollars" to print out the amount of dollars in this example?

Correct Answer: Crypto usage in PHP is simple, but that doesn?t mean it?s free First off, depending on the data that you?re encrypting, you might have reasons to store a 32-bit value in the database instead of the 160-bit value to save on space Second, the more secure the crypto is, the longer is the computation time to deliver the hash value A high volume site might be significantly slowed down, if frequent md5() generation is required

Correct Answer: :: is allowed to access methods that can perform static operations, ie those, which do not require object initialization

Correct Answer: When the original if was followed by : and then the code block without braces

Correct Answer: Once can use the Shell function to call any Aplication in VB 60 For Outlook Express one can use, Shell (msimnexe)

Correct Answer: User defined functions can be created into the Microsoft spreadsheet Spreadsheets can be customized according to the user needs by using VB applications To create visual basic functions useful for spreadsheet you need to click Tools and select Macros where you will need to click on Visual basic editor

Correct Answer: func_num_args() function returns the number of parameters passed in

Correct Answer: The output is displayed directly to the browser

Correct Answer: PHP Interpreter treats numbers beginning with 0 as octal Look at the similar PHP interview questions for more numeric problems

Correct Answer: 100, it?s a reference to existing variable

Correct Answer: __sleep returns the array of all the variables than need to be saved, while __wakeup retrieves them