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Calling C Function
How to call a C function within PHP?
abc
- Sep 12th, 2011
This is not strictly true.
PHP has many native functions that have the same name as C functions, and which act in similar ways, but they are not C functions, they are PHP functions.nigenet
- Apr 21st, 2009
This is not strictly true.PHP has many native functions that have the same name as C functions, and which act in similar ways, but they are not C functions, they are PHP functions.
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PHP5 New Features
What are new features that are in added in PHP5?
abc
- Sep 12th, 2011
PHP5 improve object oriented feature oh PHP4 & work as some languages like java ..eg. try/catch & exception handling
manoj.sinha84
- Jul 30th, 2009
PHP5----Strong OOPS support 1) Data Encapsulation (public, private, protect visibility for member variables and methods) 2) Concepts like Abstraction, Inheritance, Reflections(reverse engineer...
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Session_register and $_session
What is the difference between session_register and $_session?
abc
- Sep 12th, 2011
$_session for one or more variable
session_register for global variablesrubin2008
- May 16th, 2010
session_register is php function used to register variables with the current session.But it will work only when register globals is turned on in php.ini configuration file.$_SESSION is a supergl...
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Ob_start()
What is the use of ob_start() in PHP?
abc
- Sep 12th, 2011
It starts object buffering
bansal richa
- Aug 23rd, 2011
This function will turn output buffering on. While output buffering is active no output is sent from the script (other than headers), instead the output is stored in an internal buffer.
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Enctype in Form
Why do we use enctype in form while uploading a file?
abc
- Sep 12th, 2011
The enctype attribute specifies how form-data should be encoded before sending it to the server.The form-data is encoded to "application/x-www-form-urlencoded" by default.
K.Muthuvel5
- Aug 19th, 2010
The enctype attribute specifies how form-data should be encoded before sending it to the server.The form-data is encoded to "application/x-www-form-urlencoded" by default. This means that all characte...
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Array Comparison
While comparing two array what is the difference between === and ==?
abc
- Sep 12th, 2011
Use ==
G. Pradeep Jain
- Jun 8th, 2011
Please correct you question title to just "COMPARISON"...== is for general comparision=== is for comparision with out type conversion
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Session Cache Expire
If sesio_cache_expire is not set than in how much time will it expire? a. 1 hour,b. 2 hours,c. 3 hours,d. 4 hours
abc
- Sep 12th, 2011
3 hrs
Sagar Awasthi
- May 5th, 2011
By default Session Cache Expire will expire in 180 minutes i.e. 3 hrs and if u wanna set it then use the lines below: session_cache_expire(30);The above example will set the cache expire to 30 minutes
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Curl
What is curl? What is the functionality of curl?
abc
- Sep 12th, 2011
cURL is a library which allows you to connect and communicate to many different types of servers with many different types of protocols. Using cURL you can: Implement payment gateways payment notific...
rajespant
- Sep 4th, 2010
cURL is a library which allows you to connect and communicate to many different types of servers with many different types of protocols. Using cURL you can: Implement payment gateways payment n...
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PHP Code is Parsed
Explain properly why and how Php code is parsed?
abc
- Sep 12th, 2011
Because it is loosely & server side scripting language
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Protecting folder with Htaccess
how can I protect my folders and file using htaccess file?
sahil
- Aug 8th, 2011
You can use htacess with this code
IndexIgnore *Shibly.seu
- Jul 20th, 2011
You can protect web folder by .htaccess from unauthorized access. Checkout .htaccess tutorial
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What is the difference between echo and print statement?
bluemonk
- Aug 31st, 2008
Both echo and print are language constructs. However print() acts like a function in that it returns a value and can be used in complex expressions.Furthermore, echo without parentheses can take multiple arguments. Echo with parentheses and print can only take a single argument.
subhadeep21
- Jan 17th, 2008
Both are language construct.The only difference is:print can evealuate expression andecho can not.
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Echo and Print
What is the difference between "echo" and "print" in PHP?
kumarkiranm
- Mar 4th, 2011
echo is the most primitive of them and just outputs the contents following the construct to the screen.print is also a construct (so parentheses are optional when calling it) but it returns&...
seanmullins
- Jul 14th, 2010
They are actually both language constructs (printf() is a function)The main difference is that print returns a value, so you could do something other than simply display the string. This makes it a little slower than echo.Unless you need the return value, use echo. Plus, it's easier to type!
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What is the difference between print and echo commands?
kumarkiranm
- Mar 3rd, 2011
echo is the most primitive of them, and just outputs the contents following the construct to the screen. print is also a construct (so parentheses are optional when calling it), but it returns TR...
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Hide Pages Written in PHP
How can we hide the fact that the web pages are written in PHP?
loverboy260
- Oct 3rd, 2010
There is one way I know and that is mod-rewrite to hide the extensions so if I go to domain.com/apage.html mod_rewrite will change (internally) to apage.php however if there are any errors in your coding, the error style of PHP will let user know that you are using php
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Abstract Class and Final Method
Which of the following is correct in case of abstract class..(1) An abstract class can not have final method(2) An abstract class can not have non-abstract method(3) A final class can not have abstract method(4) A final class can not have final method
afuzzyllama
- Oct 6th, 2010
(3) A finalized class cannot have an abstract method.This makes sense because once a class is finalized nothing in that class can be overwritten.
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High Precedence
Which one has the high precedence between && and and?
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Increase Execution Time
How will you increase execution time of PHP for processing large set of records?
srera11
- Jun 24th, 2010
set_time_limit() function will limits the maximum execution time.When called, set_time_limit() restarts the timeout counter from zero. In other words, if the timeout is the default 30 seconds, and 25 ...
sandipk
- Feb 8th, 2010
To increase the execution time runtime, we can use the ini_set() function.e.g.ini_set('max_execution_time','-1'); - it sets maximum execution time to infinity.
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Count hits
If we have a button on a simple page and a user clicks on the button, then how we can come to know how many times the user has clicked on the button?
rubin2008
- May 16th, 2010
You can try following script for determing click count on button<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dt...
ashishdmc4
- Feb 8th, 2010
<html><head><script type="text/javascript">var ctr=0;function countercall(){ ctr++;}function show(){ alert(ctr); }</script></head><body><div style=&quo...
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Arrays
How to combine 2 arrays?
rubin2008
- May 16th, 2010
Arrays can be combined using array_merge() function Description of array_merge function is as follows.array_merge() merges the elements of one or more arrays together so that the values of one are appended to the end of the previous one. It returns the resulting array.
gmanon
- Feb 3rd, 2010
//The array_merge() and array_combine(), both combine arrays. /*It merges two arrays, one after the other.*/$comArrays = array_merge(Array1,Array2);$comArrays = $larger_array12; /*It combines tw...
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Database Connectivity in Joomla
How will you connect to the Database using Joomla?
rubin2008
- May 16th, 2010
Connection can be made to database in joomla by specifying database parameter information such as host,mysqlusername and mysql password into configuration file of joomla
technicalsathish
- Mar 23rd, 2009
What Vikas said is absolutely Correct. In Joomla there is no need to write the code for
database connectivityIf we hosted the site local into web, we have to change the configuration.php
fileIn that we have to mention the database username and password details.
CheersRegards,Sathish
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