PHP interview questions

PHP Interview Questions and Answers( NEW )

Q1:What are the differences between Get and post methods in form submitting, give the case where we can use get and we can use post methods?

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Q2:Who is the father of PHP and explain the changes in PHP versions?
Q3:How can we submit a form without a submit button?
Q4:In how many ways we can retrieve the date in the result set of mysql using PHP?
Q5:What is the difference between mysql_fetch_object and mysql_fetch_array?
Q6:What is the difference between $message and $$message?
Q7:How can we extract string ‘techinterviews.com ‘ from a string ‘http:/http://r4r.co.in’ using regular expression of PHP?
Q8:How can we create a database using PHP and mysql?

Q9:What are the differences between require and include, include_once?
Q10:Can we use include (”http://r4r.co.in”) two times in a PHP page “makeit.PHP”?
Q11:What are the different tables present in mysql, which type of table is generated when we are creating a table in the following syntax: create table employee(eno int(2),ename varchar(10)) ?
Q12:Functions in IMAP, POP3 AND LDAP?
Q13:How can I execute a PHP script using command line?
Q14:Suppose your Zend engine supports the mode <? ?> Then how can u configure your PHP Zend engine to support <?PHP ?> mode ?
Q15:Shopping cart online validation i.e. how can we configure Paypal, etc.?
Q16:What is meant by nl2br()?
Q17:Draw the architecture of Zend engine?
Q18:What are the current versions of apache, PHP, and mysql?
Q19:What are the reasons for selecting lamp (linux, apache, mysql, PHP) instead of combination of other software programmes, servers and operating systems?
Q20:How can we encrypt and decrypt a data present in a mysql table using mysql?
Q21:How can we encrypt the username and password using PHP?
Q22:What are the features and advantages of object-oriented programming?
Q23:What are the differences between procedure-oriented languages and object-oriented languages?
Q24:What is the use of friend function?
Q25:What are the differences between public, private, protected, static, transient, final and volatile?
Q26:What are the different types of errors in PHP?
Q27:What is the functionality of the function strstr and stristr?
Q28:What are the differences between PHP 3 and PHP 4 and PHP 5?
Q29:How can we convert asp pages to PHP pages?
Q30:What is the functionality of the function htmlentities?
Q31:How can we get second of the current time using date function?
Q32:How can we convert the time zones using PHP?
Q33:What is meant by urlencode and urldocode?
Q34:What is the difference between the functions unlink and unset?
Q35:How can we register the variables into a session?
Q36:How can we get the properties (size, type, width, height) of an image using PHP image functions?
Q37:How can we get the browser properties using PHP?
Q38:What is the maximum size of a file that can be uploaded using PHP and how can we change this?
Q39:How can we increase the execution time of a PHP script?
Q40:How can we take a backup of a mysql table and how can we restore it. ?
Q41:How can we optimize or increase the speed of a mysql select query?
Q42:How many ways can we get the value of current session id?
Q43:How can we destroy the session, how can we unset the variable of a session?
Q44:How can we destroy the cookie?
Q45:How many ways we can pass the variable through the navigation between the pages?
Q46:What is the difference between ereg_replace() and eregi_replace()?
Q47:What are the different functions in sorting an array?
Q48:How can we know the count/number of elements of an array?
Q:49What is the PHP predefined variable that tells the What types of images that PHP supports?
Q50:How can I know that a variable is a number or not using a JavaScript?
Q51:List out some tools through which we can draw E-R diagrams for mysql.
Q52:How can I retrieve values from one database server and store them in other database server using PHP?
Q53:List out the predefined classes in PHP?
Q54:How can I make a script that can be bilanguage (supports English, German)?
Q55:What are the difference between abstract class and interface?
Q56:How can we send mail using JavaScript?
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