How to declare an array in php?

1087

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What does the unset() function means?

1115

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How can we get the error when there is a problem to upload a file?

982

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Tell me what should we do to be able to export data into an excel file?

946

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What is the meaning of a persistent cookie?

1116

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Is it possible to submit a form with a dedicated button?

915

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Tell us how can we display the output directly to the browser?

1030

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What is the default session time in php?

1013

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Explain difference between urlencode and urldecode?

1108

---

Explain how we can retrieve the data in the result set of mysql using php?

976

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What is the static variable in function useful for?

957

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Tell me what is the definition of a session?

1039

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Tell me how can we pass the variable through the navigation between the pages?

985

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What does $_files means?

1037

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What does $_server means?

994

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