Date Difference In PHP – Find Date Difference

We can find out the difference between two given dates in PHP very easily. Consider the following PHP script:

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Find Visitor Browser Info Using PHP

This script will provide you visitor’s browser’s information.

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Find Screen Resolution With PHP

I think there is no way yet to find out screen resolution with PHP. hehehe.
If I am wrong please correct me.
But yet we can trick it to be happen ;-)
If not then how can we be developers. Right!

With javascript we find out screen resolution of PC. Store it in a cookie and display it with PHP.
Coool…eh! Fine, lets just do it.

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Browser Check With PHP

Use this simple test for checking or detecting user’s browser information.

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Function Existence Check Using PHP

function_exists — Return TRUE if the given function has been defined. To check that whether a function is defined or exists or not use function_exists. Checks the list of defined functions, both built-in (internal) and user-defined, for function_name. Returns TRUE on success or FALSE on failure.

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