What is difference between required and require_once in php?


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What are psrs? Choose 1 and briefly describe it?

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What is the use of mysql_real_escape_string() function?

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Describe the differences between the object models in PHP 4 and PHP 5.

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What is sql injection in php?

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What does PEAR stands for?

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Tell us how to create an array of a group of items inside an html form?

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

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How to check a variable is an array or not in php?

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Which function is used in php to delete a file?

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How escape single quotes php?

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In how many ways we can retrieve the date in the result set of mysql using PHP?

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What is echo in html?

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