How to find a substring from a given string in php?
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What is strcmp?
Tell me what does the scope of variables means?
What is the function of mysql_real_escape_string in php?
Tell me what are sql injections, how do you prevent them and what are the best practices?
Do you know is it possible to extend the execution time of a php script?
Explain what is the use of "echo" in php?
Can a super () and this () keywords be in same constructor?
What is default session time and path in PHP. How to change it?
Differentiate between php5 and php7?
Explain how to execute a php script using command line.
What are the php functions?
Explain the advantages of using PHP?