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jQuery UI Sortable, then write order into a database

I want to use the jQuery UI sortable function to allow users to set an order and then on change, write it to the database and update it. Can someone write an example on how this would be done? ...
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How can I store my users' passwords safely?

...tials'; } (In case you are still using legacy 5.3.7 or newer you can install ircmaxell/password_compat to have access to the build-in functions) Improving upon salted hashes: add pepper If you want extra security, the security folks now (2017) recommend adding a 'pepper' to the (automatically)...
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When to use static vs instantiated classes

...r BB code to HTML ; it doesn't have a life on its own) (Yeah, I admit, really really overly-simplified...) One thing about static methods/classes is that they don't facilitate unit testing (at least in PHP, but probably in other languages too). Another thing about static data is that only one in...
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How to force file download with PHP

... exit() should be called at the end to avoid any potential problems (speaking from experience :-) – ykay says Reinstate Monica Aug 20 '19 at 10:51 ...
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Is there any difference between __DIR__ and dirname(__FILE__) in PHP?

...7) But, there are at least two differences : __DIR__ only exists with PHP >= 5.3 which is why dirname(__FILE__) is more widely used __DIR__ is evaluated at compile-time, while dirname(__FILE__) means a function-call and is evaluated at execution-time so, __DIR__ is (or, should be) faste...
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How to POST JSON Data With PHP cURL?

...re indicating Content-Type:application/json, but you are not json-encoding all of the POST data -- only the value of the "customer" POST field. Instead, do something like this: $ch = curl_init( $url ); # Setup request to send json via POST. $payload = json_encode( array( "customer"=> $data ) );...
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Detect when browser receives file download

I have a page that allows the user to download a dynamically-generated file. It takes a long time to generate, so I'd like to show a "waiting" indicator. The problem is, I can't figure out how to detect when the browser has received the file, so I can hide the indicator. ...
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PHP how to get local IP of system

... This is the solution that worked for me and that avoids calling shells, operating system commands and all sorts of stuff that can open security holes or raise odd issues later. – Dario Fumagalli Jul 17 '14 at 10:59 ...
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Facebook share link without JavaScript

...ove it (the onclick part) ... and it will still work. But I can see how it all not 100% clear ... I'll edit it. – King'ori Maina Feb 26 '14 at 16:03 2 ...
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How to convert string to boolean php

...ted by @lauthiamkok in the comments. I'm posting it here as an answer to call more attention to it. Depending on your needs, you should consider using filter_var() with the FILTER_VALIDATE_BOOLEAN flag. filter_var( true, FILTER_VALIDATE_BOOLEAN); // true filter_var( 'true', FILTER_VALIDATE_...