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Many plugins (and themes) inject HTML comments into the page’s source code that aren’t really needed in your a live site. Here’s how to remove them.
When comparing a variable with multiple values consider using in_array(), instead of complex if expressions. I love clean, easy-to-read code, which is why I am not a fan of if statements with complex expressions. For example, consider the following snippet, which is checking a variable against several values: if ($test_variable === ‘value1’ || $test_variable === […]