Dating null set

I know this is probably not the recommended way to do this, but it seems to work fine for me.Instead of the normal isset check to extract variables from arrays (like $_REQUEST), you can use the @ prefix to squelch any errors.For example, instead of: Note: isset() only checks variables as anything else will result in a parse error.In other words, the following will not work: isset(trim($name)).function call_campaigns_cookie() function mobile Sidebar Fix() var hide Mobile Header Container = true; $(document).ready(function(){ /*!* jquery.0.0.1 - https://github.com/yckart/jquery.* Scroll smooth to any element in your DOM.I tried this on PHP 5.0.5 and got: yes no But on PHP 4.3.5 I got: yes yes Apparently, PHP4 converts the the string 'aaaa' to zero and then returns the string character at that position within the string $foo, when $foo is not an array.That means you can't assume you are dealing with an array, even if you used an expression such as isset($foo['aaaa']['bbb']['cc']['d']), because it will return true also if any part is a string. If $foo is a string, the index must actually be numeric (e.g. Note that isset() is not recursive as of the 5.4.8 I have available here to test with: if you use it on a multidimensional array or an object it will not check isset() on each dimension as it goes.

There are other ways a variable could fail to have a value (e.g., it's meant to hold the value returned from a function call but the function didn't have a value to return) where uninitialising the variable would not be an option nor even make sense (e.g., depending on what was to be done with the returned value).

I want a calculated field to contain a date only if another field has the amount of extra days (as a number) filled. Calculating with the dates goes fine, The if for checking if the extra days field is empty also works fine but I can't find a way the set the calculated date field to null.

If the extra days is empty I want the calculated date field also to be empty. The current calculation without if: d = new Date( Start bewerking aannemer); Date(Date() - (Vooraf verstrekken gegevens * 7)); d; Thanks in advance. Could you be so kind to share with us how you did it? Kind regards, Kevin Hi Kevin, The trick (for me) was to add a 'd;'. This is my code: d = new Date(Gepland start bewerking aannemer); if (Aantal weken voorbereiding vooraf && Gepland start bewerking aannemer) else Good luck Podio is saying: 'The script returns an invalid result'.

Imagine you have a class with a normal __isset and a __get that fatals for non-existant properties.

isset($object- Sometimes you have to check if an array has some keys.

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Here's an (awkward) way around it.unset($foo);if (compact('foo') !

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