:: Home Page            
 Advertise your Business Here     
Browse  |   Placement Papers  |   Company  |   Code Snippets  |   Certifications  |   Visa Questions
Post Question  |   Post Answer  |   My Panel  |   Search  |   Articles  |   Topics  |   ERRORS new
   Refer this Site  Refer This Site to Your Friends  Site Map  Bookmark this Site  Set it as your HomePage  Contact Us     Login  |  Sign Up                      
Categories >> Software >> Scripts >> PHP


 PHP interview questions  PHP Interview Questions (659)
 ASP interview questions  ASP Interview Questions (252)
 CGI Perl interview questions  CGI Perl Interview Questions (76)
 JavaScript interview questions  JavaScript Interview Questions (176)
 VB Script interview questions  VB Script Interview Questions (343)
 JSP interview questions  JSP Interview Questions (100)
 Shell Script interview questions  Shell Script Interview Questions (158)
 Python interview questions  Python Interview Questions (5)
 Tcl interview questions  Tcl Interview Questions (19)
 Awk interview questions  Awk Interview Questions (6)
 AJAX interview questions  AJAX Interview Questions (24)
 Ruby on Rails interview questions  Ruby on Rails Interview Questions (21)
 Scripts AllOther interview questions  Scripts AllOther Interview Questions (48)
Draw the architecture of Zend engine?
 Question Submitted By :: PHP
I also faced this Question!!     Answer Posted By  
# 1
The Zend Engine is the internal compiler and runtime engine
used by
PHP4. Developed by Zeev Suraski and Andi Gutmans, the Zend
Engine is an
abbreviation of their names. In the early days of PHP4, it
worked as

The PHP script was loaded by the Zend Engine and compiled
into Zend
opcode. Opcodes, short for operation codes, are low level binary
instructions. Then the opcode was executed and the HTML
generated sent
to the client. The opcode was flushed from memory after
execution.Today, there are a multitude of products and
techniques to help you
speed up this process.

In the following diagram, we show the how modern
PHP scripts work; all the shaded boxes are optional.

PHP Scripts are loaded into memory and compiled into Zend

(oops..i couldn't copy the images. is there any other way to
post them?)
Is This Answer Correct ?    30 Yes 3 No
# 2
Zend Engine is used internally by PHP as a complier and
runtime engine. PHP Scripts are loaded into memory and
compiled into Zend opcodes. These opcodes are executed and
the HTML generated is sent to the client. The same is
depicted below

Zend Engine
What is zend engine in PHP?

Zend engine is like a virtual machine and is an open source,
and is known for its role in automating the web using PHP.
Zend is named after its developers Zeev and Aandi. Its
reliability, performance and extensibility has a significant
role in increasing the PHP’s popularity. The Zend Engine II
is the heart of PHP 5. It is an open source project and
freely available under BSD style license.

for more visit :
Is This Answer Correct ?    4 Yes 1 No
# 3
Here are a couple of links to see the images of the
architecture of Zend -

Note - After few time, these link may not be available or

You may also refer to the overall (composite info) link -

Amit Verma
Is This Answer Correct ?    4 Yes 2 No
# 4
upload images on some free image hosting sites
and give links here.
go to google and search for free image hosting
Is This Answer Correct ?    3 Yes 7 No
Umakant Patil

Other PHP Interview Questions
  Question Asked @ Answers
What is the difference between $message and $$message? eGrove 12
What is the difference between PHP,ASP and JSP? T3-Softwares 3
What is the substitution of submit in PHP? RedAlkemi 6
can any one find and tell the difference between dot net and php which one is best ? which one we get more salary? which one is stable and which one is best for freshers and also better in future and carrer ? which one we wil get more salary sir ? please send ur valuable suggestions to   3
What is the meaning of curl , which is used while connecting with pay pal? and how it works?   2
write the prime number of program?in php TCS 2
Explain about Type Juggling in PHP?   2
What are the different functions in sorting an array?   2
What are the security measures we have to take for our site not to hack by others. Infosys 3
Is md5() is breakable if yes than how?   1
what is output of echo 1< 2 and echo 1 >2 HCL 8
Does it possible to compile php with mysql without having mysql sources?   2
For more PHP Interview Questions Click Here 

Copyright Policy  |  Terms of Service  |  Articles  |  Site Map  |  RSS Site Map  |  Contact Us
Copyright © 2013  All Rights Reserved.   ::