What is PHP?
PHP is a server-side scripting language commonly used for web applications. PHP has many frameworks and cms for creating websites. Even a non-technical person can create sites using its CMS.WordPress, and osCommerce are the famous CMS of PHP.It is also an object-oriented programming language like java, C-sharp, etc.It is very easy for learning
What is the use of “echo” in PHP?
It is used to print a data in the webpage, Example: <?php echo ‘Car insurance’; ?>, The following code print the text in the webpage.
How to include a file to a PHP page?
We can include a file using “include() ” or “require()” function with file path as its parameter.
What’s the difference between include and require?
If the file is not found by require(), it will cause a fatal error and halt the execution of the script. If the file is not found by include(), a warning will be issued, but execution will continue.
require_once(), require(), include().What is difference between them?
require() includes and evaluates a specific file, while require_once() does that only if it has not been included before (on the same page). So, require_once() is recommended to use when you want to include a file where you have a lot of functions for example. This way you make sure you don’t include the file more times and you will not get the “function re-declared” error.
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Differences between GET and POST methods?
We can send 1024 bytes using the GET method but POST method can transfer a large amount of data and POST is the secure method than the GET method.
How to declare an array in PHP?
Eg : var $arr = array(‘apple’, ‘grape’, ‘lemon’);
What is the use of ‘print’ in PHP?
This is not actually a real function, It is a language construct. So you can use without parentheses with its argument list.Example print(‘PHP Interview questions’);
What is the use of in_array() function in PHP?
in_array used to checks if a value exists in an array.
What is the use of count() function in PHP?
count() is used to count all elements in an array or something in an object.
What’s the difference between include and require?
It’s how they handle failures. If the file is not found by require(), it will cause a fatal error and halt the execution of the script. If the file is not found by include(), a warning will be issued, but execution will continue.
What is the difference between Session and Cookie?
The main difference between sessions and cookies is that sessions are stored on the server, and cookies are stored on the user’s computers in the text file format. Cookies can not hold multiple variables, But Session can hold multiple variables. We can set expiry for a cookie, The session only remains active as long as the browser is open. Users do not have access to the data you stored in Session, Since it is stored in the server. The session is mainly used for login/logout purposes while cookies using for user activity tracking.
How to set cookies in PHP?
Setcookie(“sample”, “ram”, time()+3600);
How to Retrieve a Cookie Value?
eg : echo $_COOKIE[“user”];
How to create a session? How to set a value in session? How to Remove data from a session?
Create session : session_start();
Set value into session : $_SESSION[‘USER_ID’]=1;
Remove data from a session : unset($_SESSION[‘USER_ID’];
what types of loops exist in PHP?
for,while,do while and foreach (NB: You should learn its usage);
How we can retrieve the data in the result set of MySQL using PHP?
1. mysql_fetch_row
2. mysql_fetch_array
3. mysql_fetch_object
4. mysql_fetch_assoc
What is the use of the explode() function?
Syntax : array explode ( string $delimiter , string $string [, int $limit ] );
This function breaks a string into an array. Each of the array elements is a substring of string formed by splitting it on boundaries formed by the string delimiter.
What is the difference between explode() and split() functions?
The split function splits the string into arrays by regular expression. Explode splits a string into an array by string.
What is the use of mysql_real_escape_string() function?
It is used to escape special characters in a string for use in an SQL statement.
How to strip whitespace (or other characters) from the beginning and end of a string?
The trim() function removes whitespaces or other predefined characters from both sides of a string.
What is the use of the header() function in PHP?
The header() function sends a raw HTTP header to a client browser. Remember that this function must be called before sending the actual output. For example, You do not print any HTML element before using this function.
How to redirect a page in PHP?
The following code can be used for it, header(“Location:index.php”);
How to stop the execution of a PHP script?
exit() function is used to stop the execution of a page.
How to set a page as a home page on a PHP-based site?
index.php is the default name of the home page in PHP based sites.
How to find the length of a string?
strlen() function used to find the length of a string.
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Appointing the suitable PHP developer is a crucial job for a company that want to develop their online existence. If you are attempting to find a suitable job in PHP, preparing the right php interview questions can aid you. If you are seeking a PHP job, reading some of the basic and commonly asked php interview questions for freshers will be helpful for you. Here are some important tips on what you should do before going for an interview -
1. Research
Research is essential for get ready for any job interview. You should learn more about the company where you are applying for job. Also, you should consider some simply and fundamental things like the company’s role in the marketplace, competitors, clients, major projects or products, mission statement etc. Another important thing to consider is the job. This consist of your real job profile, the projects you will expected to be working on, upcoming growth prospects etc. Ultimately, you should consider the interview itself. Try to know who will be performing the interview, what kinds of PHP interview for fresher are expected, are the technical and personal rounds of interviews separate or combined etc.
2. Improve your Resume
You will just need to update your resume according to the job you are applying for. Highlight the experiences and skills that are more pertinent to the job.
3. Basics
The crucial part of your job interview process would be the technical interview. If you really want to crack the technical interview then you should learn some of the basic php fresher interview question answer. You can take the help from some text book or find the material online.
4. Prepare Questions
It is possible that your interviewer may ask if you have any question in your mind. Do not say that you don’t have questions. If you say that, it shows either your old laziness or lack of interest. Hence, you should prepare some questions to ask your interviewer. Ensure that your questions are focused on company’s procedures, platforms, technologies, and details of the job. Do not ask for money or other perks. It’s nice to prepare some questions for the company and when asking make them sound unrehearsed and spontaneous
Final Thoughts
The aforementioned tips are not inclusive however; they give a simple directive for your job interview homework. Since the job of a php developer is a technical job, the personal interview should be rather easy, only if you follow the basic interview rule. You should be groomed and dressed professionally. Reach on time for your interview. Listen to your interviewer very carefully and be certain that you totally comprehend the question asked by them before answering. Just try to keep your answers simple and short.
Do not answer the questions in yes/no, because the interviewer need to understand your level of thought process and knowledge, however, simultaneously, don't explain unnecessarily. It would be great to give the answers point-wise and ask them if they need a detailed answer.
While giving an interview, job seekers are particularly not aware that the interviewer is not hearing and judging your skills.how to avoid body language mistakes in interview
