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POPHP file txt upload validation content
 

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    <p>I got a php script to upload file .txt only and it works.</p> <pre><code>&lt;?php $allowedExts = array("txt"); $temp = explode(".", $_FILES["file"]["name"]); $extension = end($temp); $dest = "/etc/squid/squid.conf"; if ((($_FILES["file"]["type"] == "text/plain") &amp;&amp; ($_FILES["file"]["size"] &lt; 170000) &amp;&amp; in_array($extension, $allowedExts))) { if ($_FILES["file"]["error"] &gt; 0) { echo "Return Code: " . $_FILES["file"]["error"] . "&lt;br&gt;"; } else { echo "&lt;div style='text-align: center'&gt;"; echo "Upload File Success!!&lt;br&gt;&lt;br&gt;"; echo "FIle : " . $_FILES["file"]["name"] . "&lt;br&gt;"; echo "Type : " . $_FILES["file"]["type"] . "&lt;br&gt;"; echo "Size : " . ($_FILES["file"]["size"] / 1024) . " kB&lt;br&gt;"; echo "&lt;/div&gt;"; move_uploaded_file($_FILES["file"]["tmp_name"], "/var/www/squid_proxy/upload/" . $_FILES["file"]["name"]); copy("/var/www/squid_proxy/upload/" . $_FILES["file"]["name"], $dest); } } else { echo "&lt;div style='text-align: center'&gt;"; echo "Error, File upload only .txt"; echo "&lt;/div&gt;"; } ?&gt; </code></pre> <p>file types and mime validation is works, but i want file txt content validation. Example, txt file content must have headers</p> <p>example.txt</p> <pre><code>#ADVANCED #WIZARD </code></pre> <p>Before txt file upload to server, it must be check the file contents header, on first line should be have #ADVANCED and on the third line should have #WIZARD, if user upload txt file not have headers like that or empty/blank file it should be display error message.</p> <p>How script to check or validation the content of the file upload?</p> <p>Sorry for my bad english, thanks :)</p>
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