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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.Obviously, the ...

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Difference between isset() and array_key_exist() The best way to check an index exist in array or not is using array_key_exists(). isset() is another most frequently used function to check a variable ...

In this final article in the series on new features in PHP 7.x, we shall discuss improvements to arrays, operators, constants, and exception handling.

In this article we explore improvements to functions in PHP 7, including the new array define(), returning a value from generator functions, generator delegation, and more.