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PHP double versus single quotes
March 06, 2007 @ 10:53:00

In a new post on the site today, Dave Dash takes a look at the differences between using single quotes and double quotes in your applications.

I've been indoctrinated with the "use single quotes whenever possible" methodology, but I never really put it to the test. Is it really worth it for me to go back and look at old code that uses double quotes and change them? Like all best practices, the answer is "maybe."

To show his point, he whipped up some simple tests to get the results of using double quotes and appending, using double quotes with the variable inside, and using single quotes and appending. His results showed that the first option was the fastest, not the one with single quotes.

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