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How does facebook, gmail send the real time notification?

...JAX, it'll take a lot of the cross-compability problems away. In terms of PHP, you could simply poll an event log database table in your PHP script, and only return to the client when something happens? There are, I expect, many ways of implementing this. Implementing: Server Side: There appear ...
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Resumable downloads when using PHP to send the file?

We are using a PHP scripting for tunnelling file downloads, since we don't want to expose the absolute path of downloadable file: ...
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Use basic authentication with jQuery and Ajax

...u gave but it doesn't work ` $.ajax ({ url: "server.in.local/index.php", beforeSend: function (xhr) { xhr.setRequestHeader(“Authorization”, “Basic ” + encodeBase64 (“username:password”) );}, succes: function(val) { //alert(val); alert("Thanks for your comment!"); ...
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Are HTTP headers case-sensitive?

In a blog post I use the following PHP to set the content-type of a response: 8 Answers ...
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isset() and empty() - what to use

... $var; (a variable declared, but without a value in a class) From http://php.net/manual/en/function.empty.php As mentioned in the comments the lack of warning is also important with empty() PHP Manual says empty() is the opposite of (boolean) var, except that no warning is generated when...
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How to check for null in Twig?

... In addition, unlike the PHP isset() function, is defined will return true if a variable is defined and it's value is null. – Pavel Petrov Sep 19 '17 at 7:59 ...
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What text editor is available in Heroku bash shell? [closed]

...ate heroku-vim so you'll need to do it yourself. In my example I'm running php: ~ $ cat Procfile web: vendor/bin/heroku-php-apache2 You can start this command yourself! ~ $ vendor/bin/heroku-php-apache2 2>/dev/null & [2] 845 It's now running in the background! curl your website Dynos ...
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HTTP authentication logout via PHP

...lso works (a "disconnect" link to this URL) instead of an http redirect in PHP... any downside to that? – moala Mar 21 '12 at 13:40 4 ...
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Convert PHP closing tag into comment

One of the lines in my script contains a PHP closing tag inside a string. Under normal operation this does not cause a problem, but I need to comment out the line. ...
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Best way to store JSON in an HTML attribute?

...then how do I write it back in using jQuery in the same way that it was in PHP? – BadHorsie Sep 6 '11 at 16:01 ...