Variables in Double Quoted Strings

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

✍: FYIcenter

In this example, "$a dollars" or "{$a} dollars" will print the same result.

But in other cases, you need to use curly braces to protect variable names. For example, for following PHP script will print different results:

<?php
$sales = 7;
echo "$sales000000 dollars\n";
echo "{$sales}000000 dollars\n";
?>

2007-02-27, 7400👍, 0💬

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Variables in Double Quoted Strings
Would I use print "$a dollars" or "{$a} dollars" to print out the amount of dollars in this example? In this example, "$a dollars" or "{$a} dollars" will print the same result. But in other cases, you need to use curly braces to protect variable names. For example, for following PHP script will prin... 2007-02-27, 7401👍, 0💬

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Can you have virtual functions in Java? Yes, all functions in Java are virtual by default. This is actually a pseudo trick question because the word "virtual" is not part of the naming convention in Java (as it is in C++, C-sharp and VB.NET), so this would be a foreign concept for someone who has on... 2007-03-03, 7240👍, 0💬

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