PHP INTERVIEW QUESTION & ANSWERS
Technical
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| 6. | What is an Array in PHP? |
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| An array in PHP is really an ordered map of pairs of keys and values. |
| Posted by Priyanka. (May 07, 2014) | |
Array is collection of data type(it may be similar or dissimilar data) using array u can store multiple values. |
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| Posted by Rahul Gautam. (May 07, 2014) | |
An Array stores multiple values in a single value. |
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| Posted by Aarti. (Feb 14, 2014) | |
It is collection of similar and dissimilar data type. |
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| Posted by Arumoy Saha. (Jan 20, 2014) | |
In php array is a heterogeneous datatype. |
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| Posted by Rajesh. (Nov 05, 2013) | |
It is the collection of elements of similar data type. |
| 7. | What are the advantages of MySQL and PHP? |
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PHP, a simple and powerful scripting language, and MySQL, a
solid and reliable database server, make a perfect marriage between two modern technologies for building databasedriven,
dynamic Web sites. Some of the advantages of both PHP and MySQL are : |
| 8. | What is PHP’s configuration file called? |
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| PHP’s configuration file is called php.ini. |
| 9. | Which function would you use to merge two arrays? |
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| You can merge arrays with the array_merge() function. |
| Posted by Aarti Kshirsamail. (Feb 14, 2014) | |
It can merge any length of array and one or more than one array can combine also. |
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| Posted by Hitesh Nagpal. (Jan 29, 2014) | |
array_merge(): One or more arrays into one array. |
| 10. | What is a session? |
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| A session is a logical object created by the PHP engine to allow you to preserve data across subsequent HTTP requests. |