Using str_shuffle string function we can develop a short code to generate random passwords. Users can have options on how to generate the string by including and removing type of characters to be used in string.
What is NULL data in a table and how to mange NULL data.
Google Tools for SEO
Search engines have some excellent tools to tell about your website. Some of them are highly useful and they give lot of information to the webmaster about the problems / bugs in their sites.
All major search engines have tools to help webmasters to identify crawl issues and diagnose problems for better ranking.
This tool is not for low traffic websites. If the daily hits more than 2000 ( Unique / day ) then we can see the traffic history of the website. We can monitor the traffic over a period of time. The best part is we can compare traffic of more than one site by imposing graphs.
Google site search
We know how to search google by using a keyword. We can also search within a site for the keyword by using site: operator. We can also keep track of the pages indexed by using this command and mainly it helps us in knowing number of pages present in the google index.