Searching Arrays for Values

Sometimes I have to check an array for the existence of a value; for example, I may want to parse an array for a value and then include (or exclude) that value fro an SQL query. I quickly found out that using in_array() is slower than using isset(). For example:
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Monday, December 22nd, 2008 @ 6:56 pm | Comment (3) | Categories: PHP 5, General PHP

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