This question already has an answer here:                           How do I pass variables and data from PHP to JavaScript?                                      18 answers                                     What is the easiest way to encode a...

I want to implement a simple file upload in my intranet-page, with the smallest setup possible.  This is my HTML part:  <input id="sortpicture" type="file" name="sortpic" /> <button id="upload">Upload<...

I'm working on a generative art project where I would like to allow users to save the resulting images from an algorithm. The general idea is:   Create an image on an HTML5 Canvas using a generative algorithm When the image is completed, allow...

I want to send an  "ajax download request" when I click on a button, so I tried in this way:  javascript:  var xhr = new XMLHttpRequest(); xhr.open("GET", "download.php"); xhr.send();   download.php:  <? header("Cache...

How can I convert a PHP array in a format like this  Array (     [0] => 001-1234567     [1] => 1234567     [2] => 12345678     [3] => 12345678     [4] => 12345678     [5] => AP1W3242     [6] => AP7X1234     [7] => AS1234...

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I am sending an error response to my jQuery. However, I can not get the response text (in the example below this would be Gone to the beach)  The only thing jQuery says is 'error'.  See this example for details:  php  <?     header('...

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I am searching for a simple solution to call a PHP function only when a-tag is clicked.  PHP:  function removeday() { ... }   HTML:  <a href="" onclick="removeday()" class="deletebtn">Delete</a>   UPDATE: the htm...

Let's say I have a javascript array with a bunch of elements (anywhere from 50-200).  I want to send that to PHP (prepared statement) using ajax.  Currently, I .load a php file many times inside of a loop, but I want to convert that into an arr...