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Check if an array is empty or exists

...iable hoisting. Make sure you use var whenever declaring a variable: <?php echo "var image_array = ".json_encode($images);?> // add var ^^^ here And then make sure you never accidently redeclare that variable later: else { ... image_array = []; // no var here } ...
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Maximum length of the textual representation of an IPv6 address?

I want to store the data returned by $_SERVER["REMOTE_ADDR"] in PHP into a DB field, pretty simple task, really. The problem is that I can't find any proper information about the maximum length of the textual representation of an IPv6 address, which is what a webserver provides through $_SERVER...
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How to capture Curl output to a file?

...answered Dec 6 '12 at 0:44 Alex2phpAlex2php 7,37911 gold badge1313 silver badges2222 bronze badges ...
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Nginx Different Domains on Same IP

... to try serving a text file from each server first before actually serving php. That's why I left the 'root' directive in there. share | improve this answer | follow ...
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Stop form refreshing page on submit

... $.ajax({ type: 'post', url: 'myPageName.php', data: $('#myFormName').serialize(), success: function () { alert("Email has been sent!"); } }); e.preventDefault(); }); })...
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How to query MongoDB with “like”?

... In PHP, you could use following code: $collection->find(array('name'=> array('$regex' => 'm')); share | improve thi...
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Tainted canvases may not be exported

..."anonymous" ...) Install a webserver on your development computer (IIS and PHP web servers both have free editions that work nicely on a local computer). share | improve this answer | ...
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Browse the files created on a device by the iOS application I'm developing, on workstation?

...xport some app files! http://www.macroplant.com/iexplorer/download-ie3-mac.php share | improve this answer | follow | ...
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How do I flush the cin buffer?

...ble. See Using fflush(stdin). Also, see http://ubuntuforums.org/showpost.php?s=9129c7bd6e5c8fd67eb332126b59b54c&p=452568&postcount=1 for an alternative. share | improve this answer ...
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Cast to int vs floor

...ing dropped”. See (although it is written for C): blog.frama-c.com/index.php?post/2013/10/09/… – Pascal Cuoq Dec 30 '14 at 22:23 add a comment  |  ...