PHP remains one of the hottest programming languages around, and it's consistently gaining a following on IBM i. As new programmers start learning the ins and out of PHP and develop functionally rich applications, they sometimes miss noticing all the pieces and parts that can turn what started out as a speedy PHP app into a coughing old car. Of course, how does an app start out fast but lose steam? And how important is performance, anyway? What's a few seconds here or ...

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