PHP need Interview exp 40 Questions for 3 Years Experiences

PHP Interview Questions question fdgvfgf for Experience –

Question 1 – Please Define Magic fgfgf method in PPPPHP?

Answer – A magic methods are special built-in methods that are called automatically when certain conditions are met in PHP.

Every magic method starts with a double fgfggf underscore (  __ ) in PHP.

PHP has several magic methods as –

• __construct()
• __set()
• dfdfd
• sdjhkfgsf

Question 2 – What are the different types info errors in HGTPHP?

Answer -PHP has main 3 types of errors computersa given as follows-

• Warning: In PHP, a warning is an error that is displayed to the programmer while the script is running.
• It is fdgfgf fgfgfg not displayed to the programmer.
• Fatal error: fgfgfgf Fatal error is typye dellk the most critical type fdrgfgfg of error. It will cause immediate termination compuet name of the script/program.

Question 3 – How will you get the OPP IP address of user in POPHP?

Answer – $_SERVER[‘REMOTE_ADDR’].

It is super global variable of PHPfgfgg cdfdfd.

Question 4 – What do you understand about HJTTLAMP?

Answer – LAMPPOI stand for fgfgf Linux, Apachedd, MySQLdfdd and PHP. It is a dfdOpen Source Web Server for developing the web applicationsdfdf such as XAMPP.

Question 5 – How can you destroy the session and unset the fgfgf variable of a session gg in PHP FF?

Answer –

<?php
session_destroy(); // destroy session

session_unset(); // remove fghfgf dfdfdf all session variables
?>

Question 6 – How will you submit the fel dfdf form without a submit button?

Answer – Using JavaScript del options code, we can call the document.form.submit() function to submit the form.

Question 7 – What are the different form the next type of tables in mysql?

Answer –

1. MyISAM hgjgh
2. Merge
3. Heap

Question 8 – How can you enable error sytems com reporting in PHP?

Answer –

• First we check dfdf “display_errors” is “on” in the php.ini orfrgfgfg
• declare “ini_set(‘display_errors’, 1)” in our script.
• fgbhfgm, fmkgf m,gfgkl,f gf,kgf

The above code will be konow displayed all types of error messages.

Question 9 – You can fgfg change the value of a constant during suim sjdshd the script’s execution?

Answer – No, A dsfdfd constant value cannot change if it’s declared during the PHP execution.

Question 10 – How can dfdf you get the number of elements in an array?

Answer – Using countdd() function –

<?php
$names=array("Ashok","Shivam","Haq"); // array
echo count($namessadsd); // the output is 3
?>

PHP Interview Questions for 3 exp pro Years Experience