Send string from php to js file using jquery
===

i need to get the string from on php file someone know how can i do this?

My.php that write and read contenute of one file

    <?php
     $dir = '/var/www/devData/test';
    
     // create new directory with 777 permissions if it does not exist yet
     // owner will be the user/group the PHP script is run under
     if ( !file_exists($dir) ) {
      mkdir ($dir, 0777);
     }
     if (isset($_POST['data'])) {
    		
             $stringData = $_POST['data'];
             $file = "/var/www/devData/test/ciao.txt"; 
             $fh = fopen($file, 'r+') or die("can't open file");
             fwrite($fh, $stringData);
    		 $theData = fread($fh, filesize($myFile)); //this is the string that i have to pass
             fclose($fh); 

             return $theData;
    		
     }
     
     
     ?>


my.js scrpt that use the methode get for retrive the strng from my php file


     function addLabelCustom_options() {
      var select = document.getElementById('label_custom');
      
     $.get("JS/foo.php", function(result){ alert(result) }, "json");
      
      
     /* $.ajax({
      url:'/var/www/devData/test/ciao.txt',
      success: function (data){
      //parse ur data
      //you can split into lines using data.split('\n') 
      //use regex functions to effectivley parse
      var label_parsed = data.splitCSV();
        select.options[0] = new Option("-- Select Label --",0);
    	var label_sort = new Array();
    	
    	for (var i=0; i<label_parsed.length-1; i++)
    		label_sort.push(label_parsed[i][1]);
    		
    	label_sort.sort();
    	for (var j=0; j<label_sort.length-1; j++)
    		select.options[j+1] = new Option(label_sort[j],j+1);
    
    }
    });
    
    */
    }
i Just need to get the contenute of the string $theData
Looks like if i don't retrive any string....