Long story short, i'm trying to optimize a situation where I need to iterate through an array of about 3000 items and check to see if they are in another array of up to 3000 items.<BR><BR>Obviously, ...
Square Brackets ( [ and ]) Used for defining arrays and accessing array elements. Colon (:) Used in the context of PHP control structures like if, else, foreach, and switch for defining blocks of code ...
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