Is empty in excel?
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Write a program to swap two numbers using php.
Tell me what is the use of "ksort" in php?
Suppose we receive a form submitted by a post to subscribe to a newsletter. This form has only one field, an input text field named email. How would we validate whether the field is empty? Print a message "the email cannot be empty" in this case?
What is the purpose of the following files having extensions: frm, myd, and myi? What these files contain?
What is indexing how many types?
3 Answers DLF, Infosys, Net Solution, Vcare,
Which is the correct way to check if a session has already been started ?
How can we register the variables into a Session?
7 Answers HCL, Star Computers, Trikon Networks,
What is mean by an associative array?
How do you debug php?
Require_once(), require(), include(). What is difference between them?
Is string php function?
Tell me how a constant is defined in a php script?