How to implement the polymorphism in PHP oop

11 Top Most Tools for Performance Testing of your web appliation

Whether you run a high traffic website or a small blog on a low cost shared host, you should optimize your site and your server to run as efficiently as possible. 

These 11 tools will help you to analyze your site performance.

• Google Developers: PageSpeed Insights
• Mozilla Firefox + Firebug + Hammerhead
• Yahoo! YSlow
• Google Chrome + Google Speed Tracer
• Pingdom
• WebPagetest
• Resource Expert Droid
• Web Caching Tests
• Port80 Compression Check
• A simple online web page compression / deflate / gzip test tool
• Web Page Analyzer

Add Decimal in your amount at desire position

Code

$amount = 560;
$decimalPosition = 2;
$divideBy   =   pow(10, $decimalPosition );
$newNumber  =   number_format( $totalTax / $divideBy , 2, '.','');
echo $newNumber;

OutPut
5.60

Second Way

        $decimal_point = 2;
        $totalTax=1260; //1.260

        $a=substr($totalTax,0,-$decimal_point); //560 ka 5
        $b=substr($totalTax,-$decimal_point,$decimal_point); //560 ka 60
        
        $c = $a.'.'.$b;
        echo $c;
        

Third Way

        /********* in one line ****************************************\
        
        $d = (substr($totalTax,0,-$decimal_point)).'.'.(substr($totalTax,-$decimal_point,$decimal_point));
        echo $d;

What is the difference between Synchronous and Asynchronous ajax request

Every developer want to know about Synchronous vs Asynchronous

Most of the developer often faces this question in interview.
I was also questioned several times so i plan to write a small post so that others can get help.
I found a nice explanation on stackoverflow.

See below explanation-:

Here i found another nice one explanation.

Finally i come to this conclusion

Get directory path in symfony 2.8 and 3.0

Get base path -:


  echo 'path is '.realpath($this->container->getParameter('kernel.root_dir').'/..');