How many functions are there in php?


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!== represents what?

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How can we check the value of a given variable is a number?

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Explain how to submit form without a submit button.

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Explain me difference between mysql_connect and mysql_pconnect?

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Could we start a variable with number like $4name?

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What is the difference between characters 34 and x34?

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What percentage of websites use php?

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Tell me can you extend a final defined class?

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How could I install codeignitor ?

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