⟩ Explain the use of global variable $ in Ruby?
If you declare one variable as global we can access any where, where as class variable visibility only in the class
If you declare one variable as global we can access any where, where as class variable visibility only in the class
How to find the length of a string?
What is the use of mysql_real_escape_string() function?
What is use of count() function in php?
How to select a database?
What is the use of "echo" in php?
Explain the purpose of output buffering in PHP?
Explain the different types of errors in PHP?
What are PSRs? Choose 1 and briefly describe it?
How can we get the IP address of the client?
What is the difference between $var and $$var in PHP?