PHP echo efficieny comparision

Is PHP echo $str1, $str2, $str3 faster than echo $str1 . $str2 . $str3开发者_如何学JAVA?

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Yes, but only marginally so, and probably won't impact your web application. Here's one of the many articles that runs through the benchmarks.

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The result shows that dot is more preferable if there are no variables or $ symbol involved which is around 200% faster. On the other hand, commas will help to increase around 20%-35% efficiency when dealing with $ symbols.

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