What is string and its function?


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More PHP Interview Questions

When viewing an html page in a browser, the browser often keeps this page in its cache. What can be possible advantages/disadvantages of page caching? How can you prevent caching of a certain page (please give several alternate solutions)?

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How does one prevent the following warning ‘warning: cannot modify header information – headers already sent' and why does it occur in the first place?

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What are the new features available in php 7?

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what method is used to generate a random number?

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what is the best function that can be used to connect to mysql database and in what cases that we can use below functions ? 1. mysql_connect() 2. mysql_pconnect() please give your answer with all pros and cons

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armstrong number by using php while number is given by the keyboard.?

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What is the use of extract function in php?

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How do you clear environment variables?

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What is php simple definition?

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What is static in php?

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Why is php used?

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