How to pass a Javascript Array to PHP file using AJAX and JSON?
I have an array in javascript and I need to pass this array to a PHP by using AJAX call to that PHP file. I will get this array in PHP file and assign this javascript array to PHP array. Then I will find out the count of that PHP array elements and return it back to the javascript. I will convert JS array in JSON format by JSON.stringify. This is a very simple example on how to pass javascript array to PHP asynchronously. You can perform a lot of operations on this array which you have passed to PHP file but for simplicity I am just returning its count. Let's have a look at the following code snippet.
Javascript Array
var myJSArray = new Array("Saab","Volvo","BMW");
ProcessAJAXRequest() function wil pass JS array to PHP file using AJAX request and will show count of array elements returned by PHP file.
function ProcessAJAXRequest()
{
$.ajax
({
type: "POST",
url: "myphpfile.php",
data: {"myJSArray" : JSON.stringify(myJSArray)},
success: function (data)
{
alert(data); //count of array elements
}
});
}
myphpfile.php
<?php
$myPHPArray = json_decode($_POST["myJSArray"]);
echo count($myPHPArray);
?>
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