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Interview Questions

Interview Question and Answers

These are the Questions that are normally asked in a job interview. Interview questions are very specific to the job role you are applying. Most of the times, interview for a job is done if different phases or categories. There are different rounds interviewer has to go through. However, there are certain questions in the interview which are common and can be done real well if we went prepared.

Interview Questions can be in various categories like:

Accounting and Finance, Marketing and Sales, Manufacturing, Finance, Hospitality questions, Law , Leadership and management, customer service, medical and health care, call center, Human Resource, etc.

How to prepare for Interview question and answers?

How to prepare for Interview question and answers? There are many possible ways in which you can prepare for the interview question and answers. If it is technical, you have many important questions that you are sure to ask in the interview. Especially, if you are thorough with the fundamentals or basics, most of your interview is cleared without much hassle.

The key is to prepare for with proper research about the company, where you are going to take the interview. Make sure to go through few same Human Resource questions as well. They will enable you to make good answers, and position yourself as a very good prospect for the job. Make sure you answer the interview question in a way that you will be the best fit for the job. And this can happen only through enough confidence. Make sure to go through as many questions as possible to gain the confidence.

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What’s the difference between md5( ), crc32( ) and sha1( ) crypto on PHP?

Answer The major difference is the length of the hash generated. CRC32 is, evidently, 32 bits, while sha1() returns a 128 bit value, and md5() returns a 160 bit value. This is important when avoiding collisions.
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What is the difference between characters 23 and x23?

Answer The first one is octal 23, the second is hex 23
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What’s the special meaning of __sleep and __wakeup?

Answer __sleep returns the array of all the variables than need to be saved, while __wakeup retrieves them.
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If the variable $a is equal to 5 and variable $b is equal to character a, what’s the value of $$b?

Answer 100, it’s a reference to existing variable.
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Will comparison of string "10" and integer 11 work in PHP?

Answer Yes, internally PHP will cast everything to the integer type, so numbers 10 and 11 will be compared.
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I am trying to assign a variable the value of 0123, but it keeps coming up with a different number, what’s the problem?

Answer PHP Interpreter treats numbers beginning with 0 as octal. Look at the similar PHP interview questions for more numeric problems.
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What does a special set of tags do in PHP?

Answer The output is displayed directly to the browser.
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How do I find out the number of parameters passed into function?

Answer func_num_args() function returns the number of parameters passed in.
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