Check Valid domain name in php

This post explain how to check domain name is valid or not

Domain Name Full fill the following Conditions

• Domain Name Must contain Alpha Numeric 
• Only special character (-) hyphen. is allowed on domain names.
• Check the generic domain extension (.com, .edu, .gov, .int, .mil, .net, and .org)
• All International domain extensions (TLDs) approved by ICANN

Check Valid domain name in php using Regular Express and preg_match

<?php

function is_valid_domain_extension($domain)
{
 return preg_match('/^([a-z0-9]([-a-z0-9]*[a-z0-9])?\\.)+((a[cdefgilmnoqrstuwxz]|aero|arpa)|(b[abdefghijmnorstvwyz]|biz)|(c[acdfghiklmnorsuvxyz]|cat|com|coop)|d[ejkmoz]|(e[ceghrstu]|edu)|f[ijkmor]|(g[abdefghilmnpqrstuwy]|gov)|h[kmnrtu]|(i[delmnoqrst]|info|int)|(j[emop]|jobs)|k[eghimnprwyz]|l[abcikrstuvy]|(m[acdghklmnopqrstuvwxyz]|mil|mobi|museum)|(n[acefgilopruz]|name|net)|(om|org)|(p[aefghklmnrstwy]|pro)|qa|r[eouw]|s[abcdeghijklmnortvyz]|(t[cdfghjklmnoprtvwz]|travel)|u[agkmsyz]|v[aceginu]|w[fs]|y[etu]|z[amw])$/i',$domain);
}

// Example example.mz 
// .MZ the domain for Republic of Mozambique
// I aware of the Region when I am working for this function.
echo is_valid_domain_extension("example.mz"); // 

?>

Create a Zip Archive File Using PHP

Today we are going to program, How to build a Zip Archive from the Entire Directory or Create Zip file from selected file from server. Here is the solution to Create Zip file with PHP

Following PHP Program you can build Zip file
1 . Zip Entire Directory
2.  Zip Selected Files

<?php

include_once("CreateZipFile.inc.php");
$createZipFile=new CreateZipFile;

$directoryToZip="./";
$outputDir="/";
$zipName="CreateZipFileWithPHP.zip";

define("ZIP_DIR",1); // Make it 0 to Archive selected file(s)

if(ZIP_DIR)
{
//Code toZip a directory and all its files/subdirectories
$createZipFile->zipDirectory($directoryToZip,$outputDir);
}else
{
 $fileToZip1="files/File1.txt";
 $fileToZip2="files/File2.txt";
 $createZipFile->addFile(file_get_contents($fileToZip1),$fileToZip1);
 $createZipFile->addFile(file_get_contents($fileToZip2),$fileToZip2);
 $createZipFile->addFile(file_get_contents($fileToZip3),$fileToZip3);
}

$fd=fopen($zipName, "wb");
$out=fwrite($fd,$createZipFile->getZippedfile());
fclose($fd);
$createZipFile->forceDownload($zipName);
@unlink($zipName);
?>

Download Script