What is $$ in php?


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More PHP Interview Questions

With a heredoc syntax, do I get variable substitution inside the heredoc contents?

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What is the correct php command to use to catch any error messages within the code?

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Do you know what is the differences between $a != $B and $a !== $B?

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Explain how is it possible to cast types in php?

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How to specify argument default values?

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What are the variables in php?

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What is self in php?

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What are the different types of errors in PHP?

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What is the use of mysql_fetch_assoc in php?

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What do you mean by design patterns (php) ?

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