I want to count word in ms word(docx) using PHP

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PHP

MySQL

MS-Word

Hi there, my code below show the code just tried to count number of words in ms word (docx,doc format) I succceed on localhost but on remote serve I get this errors

[23-Apr-2017 06:45:12 UTC] PHP Fatal error: Class 'ZipArchive' not found in /home/afyazone/public_html/demo/doclibrary/class.doccounter.php on line 170
[23-Apr-2017 09:11:40 UTC] PHP Notice: Undefined index: email in /home/afyazone/public_html/demo/payment.php on line 9
[23-Apr-2017 10:26:17 UTC] PHP Fatal error: Class 'ZipArchive' not found in /home/afyazone/public_html/demo/doclibrary/class.doccounter.php on line 170
[23-Apr-2017 10:39:35 UTC] PHP Fatal error: Class 'ZipArchive' not found in /home/afyazone/public_html/demo/doclibrary/class.doccounter.php on line 170

I use this library: GitHub - joeblurton/doccounter: A collection of simple tools for analysing PDF, .DOCX, .DOC and .TXT files.[^]

I don't know where im going wrong, please I need help. Thanks

What I have tried:

require_once("doclibrary/class.doccounter.php");

$countDocx = "";

$sqlCheck = $connect->query("SELECT * FROM temp WHERE email = '".$_SESSION["email"]."' ORDER BY tempid DESC LIMIT 1");

if($sqlCheck->num_rows > 0){
	
	
	while($loops = $sqlCheck->fetch_assoc()){
	
	$countDocx =  $loops["file"];
	
		$_SESSION["docx"] = $loops["file"];
		$_SESSION["title"] = $loops["title"];
	
}

$fileDir = "AuthorReport/".$countDocx;
$doc = new DocCounter();
$doc->setFile("$fileDir");

$words = ($doc->getInfo()->wordCount);

}