Which function you can use in php to open a file for reading or writing or for both?
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Why is php used?
What are interfaces in php?
To run php script on a local machine we need to install Apache http server and php. Then only scripts are run in the browsers. but when these things are not loaded on a local machine and a php script is brought by the browser still the browser displays the page. how?
How can we submit a form without a submit button?
Is php an object or array?
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How is it possible to return a value from a function?
Is php used anymore?
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