$array //has our data

//in the tools file
array_walk ($array, 'utf8_encode_array'); //could lead to UTF-8 problems..

echo json_encode($array);

function utf8_encode_array (&$array, $key) { //encodes the array recursively to utf8
    if(is_array($array)) {
      array_walk ($array, 'utf8_encode_array');
    } else {
      $array = utf8_encode($array);
    }
}

/*********************************************/
//Ajax request to the tools file:
?>
<script type="text/javascript">
$.ajax({
	type: "POST",
	url: '<?php echo Loader::helper('concrete/urls')->getToolsURL('path_to_tools_file.php', 'packagename_or_empty'); ?>', 
	data: data, //send data as POST (data is an object)
	success: function(msg) {
		try {
			var myObj = jQuery.parseJSON(msg);
			
			myObj.images;
			myObj.name;
			myObj.text[0 .. n];
			
		}catch(e){
			alert(e.error);
		}
	}
});
</script>

Send array through ajax tools request to js

Send array through ajax tools request to js

ajax

PHP