Suppose the variable $var1 is set to 10 and the $var2 is set to the character var1, what's the value of $$var2?
Explain me what is the importance of "method" attribute in a html form?
Tell me how do I check if a given variable is empty?
What is the use of isset() in php?
Please explain is it possible to use com component in php?
Tell me what is the meaning of a final class and a final method?
What does the array operator '===' means?
How to redirect a page in php?
How to find the length of a string?
How to create a session? How to set a value in session? How to remove data from a session?
How can we check the value of a given variable is alphanumeric?
Tell me how to find the position of the first occurrence of a substring in a string?
What does $_cookie means?
What is faster in php?
What is the use of mysql_real_escape_string() function?