scrape dynamic web sites

gather values of dom elements by id

Here is a simple example of ajax endpoint code that will append id and values to the file idgather.html

 <?php
header('Access-Control-Allow-Origin: *');
function append($sz="", $name='idgather.html',$mode='a') {
    $fp=fopen($name,$mode);
    fwrite($fp,$sz."\r\n");
    fclose($fp);
}

$id = @$_REQUEST['id'];
$value = @$_REQUEST['value'];

if($pageUrl && $prompt) {
    $newLine = "id is $id  value is  $value<br>";
    append($newLine);
}

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