php - How to add string to file at server side using AJAX -


i trying save values taken webix textarea file @ server, no luck now. eaqsily php:

$filename = getcwd() . "/test.txt"; echo $filename; $line_i_am_looking_for = 5; $lines = file( $filename , file_ignore_new_lines ); $lines[$line_i_am_looking_for] = '6my modified line'; file_put_contents( $filename , implode( "\n", $lines ) ); ?>

but don't know how ajax. need - take value textarea, insert (for e.g.) 6th string of data/data.php file.

this code:

<!doctype html> <html>   <head>     <title>loading db</title>     <link rel="stylesheet" href="codebase/webix.css" type="text/css">     <script src="codebase/webix.js" type="text/javascript"></script>   </head>   <body>     <?php       $filename = getcwd() . "/test.txt";       echo $filename;       $line_i_am_looking_for = 5;       $lines = file( $filename , file_ignore_new_lines );       $lines[$line_i_am_looking_for] = '6my modified line';       file_put_contents( $filename , implode( "\n", $lines ) );     ?>      <div class='header_comment'>test button</div>     <div id="testb" style='height:600px'></div>     <hr>     <script type="text/javascript" charset="utf-8">       webix.ready(function() {         gridb = webix.ui({           container: "testb",           "view": "form",           "elements": [             {               "view": "textarea",               "name": "wonumber",               "id": "textarea",               "label": "",               "width": 300,               "height": 200,               "options": [                 "onviewresize"               ],               "value": "",               "placeholder": "wo number (separate comma if several)",               "labelposition": "top"             },             {               "view": "button",               "name": "getwodetails",               "label": "",               "value": "submit",               "options": [                 "autowidth:true"               ],               on: {                 onitemclick: function(id) {                   webix.message("sikim bleat'!!!");                 }               },               "labelposition": "top"             },             {               "view": "button",               "id": "button1",               "name": "getwodetails",               "label": "",               "value": "passss",               "options": [                 "autowidth:true"               ],               on: {                 onitemclick: function() {                   webix.message("values of textarea " + $$('textarea').getvalue());                 }               },               "labelposition": "top"             }           ]         });       });     </script>   </body> </html>

so want once click passs button, takes values textarea , save in 6th string of data/data.php file. extract value textarea )))))

data/data.php looks this: 

<?php  require_once("../samples/common/connector/data_connector.php‌​");  //!connector  $dbtype = "mysql";  $username = "roman";  $password = "pass";  $hostname = "111.111.111.111";  $conn = mysql_connect($hostname, $username, $password) or die("unable connect mysql");  echo "connected mysql<br>";  $data = new jsondataconnector($conn,$dbtype);  $data->render_sql("select site_id, 3g_site_id                     master_tracker_db.master_tracker                     site_id '%abk000%'", "", "site_id, 3g_site_id");  ?>


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