Which are the frequently asked interview questions for php developers?

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How to get current process id? Difference between php 5.x and 7.x versions? Can you override php.ini during script execution? How to get current user ip adrress in php? Along with this, if you are frsher OOPS,Date Time functions, array functions,error types can be asked.
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Java, j2ee, hibernate, android, core php programmer with more than 10 year experience

Why the PHP is called loosely typed language?, Why the PHP is fast on server?, What is session in PHP? What is Parsing in PHP? etc.
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