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?

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Can php replace javascript?

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How to execute an sql query?

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what is the current salary package in India for a PHP programmer who has 1.5 years experience

0 Answers   ABB,

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How to get the DNS servers of a domain name?

1 Answers   Life Infotech,

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What is cookie and why do we use it?

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can any please tel me about "Expression Engine"

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Explain me differences between get and post methods?

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Explain what does the expression exception::__tostring means?

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What is the difference between echo, print and printf()?

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How do I run php?

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What is the best practice for running mysql queries in php? Consider the risk of sql injection.

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