Difference between $message vs. $$Message in php.
What are the different functions in sorting an array?
Is key exist in array php?
What is difference between variable declaration and variable definition?
What is the difference between mysql_connect and mysql_pconnect ? Which one is good in terms of performance ?
Explain converting an object?
what is the diference between php4 and php5
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Explain what is smarty?
How long is session timeout?
What will the ?getdate() function returns in PHP?
Tell me how do you execute a php script from the command line?
How to return ascii value of character in php?
What is php full form?