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PHP Form Hijacking
How to prevent form hijacking in PHP?
rubin2008
- May 16th, 2010
To prevent form hijacking(1) Escape data which is being passed into sql query using mysql_real_escape_string() function.(2) Also input data must be filtered before being passed into sql query using proper validation methods and use of htmlentities() function
d4deepikajain
- Jul 13th, 2009
Few more coding practices can be done to avoid PP Form HijackingUser Input Sanitization-Never trust web user submitted data. Follow good clieint side data validation practices with regular expressions...
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Website development in PHP and Java
What is difference between developing website using Java and PHP?
gmanon
- Feb 3rd, 2010
Java is a precompiled language. The Java Virtual Machine transform the source code into bycode. PHP is source code that is processed by the server as a server module or CGI. PHP is m...
pankajha.100
- Aug 13th, 2009
Java is used for mainly distributed i.e When n tier application are developed, eg. Bank System where as PHP used for web development.
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Calculate Date Difference
How will you calculate difference of two dates using PHP?
Qambar
- Jan 29th, 2010
// Calculate difference and returns the difference in days.function bozimsDateDiff($date1, $date2){ return floor(($date2 - $date1) / (3600 * 24));}// Usage$date2 = time(); // e,g Date 2 CURRENT D...
deepikanadkarni
- Jan 21st, 2010
<?php/********** Date Difference **************************/function date_diff($d1, $d2){ if ($d1 < $d2){ $temp = $d2; $d2 = $d1; $d1 ...
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Submit Button
How can we submit a form without a submit button?
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What is CAPTCHA
patelankit
- Sep 15th, 2009
Completely Automated Public Turing Test to Tell Computers and Humans Apart
petely
- Feb 3rd, 2006
CAPTCHA stands for Completely Automated Public Turing Test to tell Computers and Humans Apart. To prevent spammers from using bots to automatically fill out forms, CAPTCHA programmers will generate a...
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Difference between require() and include()
The require() statement includes and evaluates the specific file. The include() statement includes and evaluates the specified file include() produces a Warning while require() results in a Fatal Error.
ashish.gijare
- Sep 5th, 2009
Include() gives an warning but reqiure() gives an error.require halts the page but include dosen't.
ankita
- Dec 15th, 2006
The two constructs are identical in every way except how they handle failure.
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What is the effect of large number of data stored in a database on a website ?
I.e. if there is a 5,00,000 records on the database is it affect website. what is the solution for this.
pankajkhairnar
- Aug 28th, 2009
Website will get slow by large number of data but it can be reduced to as minimal as really less data by using some database techniques like. Indexing the columns which you want to use for search or c...
bhavsarpr
- Jun 9th, 2009
Following can be effect of large number of data stored in a database on a website.1. Site Can become really slow in case queries used are not proper and code logic for processing large data is not pro...
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Can you compare PHP to Java? If so, what would be the differences between PHP and Java?
pankajha.100
- Aug 13th, 2009
Java is used for n tier development. i.e is client on other server, business logic on other server and database on other server. Doing this if link fail for one client other client can access whereas in PHP if one server fail all server fails.
msdwivedi
- Dec 28th, 2007
Answer: PHP vs JAVA Both languages serve their purposes. PHP is almost always quicker to prototype with. The same would likely be said for Perl vs. Java or Python vs. Java. Or in other words whole ...
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What is the difference between if-else-if and switch statement?
ganesh.golla
- Jul 23rd, 2009
if statement can be used when much more conditions need to check. where as switch stmt can be used when we need to compare a single expression with various options.Ex: if(studentMarks>70){echo &quo...
RohithBlr
- Jun 4th, 2007
"switch" statements are faster because with a switch, PHP compares an original value to a set of case values, the same holds with javascript... With an if else statement, it needs to do more parsing.&...
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How i can get ip address
Deepak Radhakrishnan
- Feb 14th, 2007
$_SERVER['REMOTE_ADDR'] works for most of the web hosting sites like godaddy.
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PHP header function
Use of header() function in php
sandeshk
- May 15th, 2009
The header() function sends a raw HTTP header to a client.We can use herder() function for redirection of pages. It is important to notice that header() must be called before any actual output is seen.
anees_muhd
- Oct 24th, 2008
The main use of header() is to send header information into client machine and its one of the use is Page redirect we have a lot of directives for this function for Eg. LocationIf we use Location dire...
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Ob_start()
What is the purpose of ob_start() ?
selvaa89
- Apr 29th, 2009
This function will redirect the output to a buffer. We can flush out the buffer ob_end_flush(). ob_start must be called before any output is made. so the apt place is immediately after opening the php tag.
sonal_fulkar
- Jan 22nd, 2009
This function will turn output buffering on. While output buffering is ON no output is sent from the script (but headers), instead the output is stored in an internal buffer. to get contents from output buffer we can use ob_get_contents function
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MySQL Query Optimize
What are the different methods to optimize the MySQL query?
svrajput
- Apr 29th, 2009
It does not depend upon single entity. In order to optimize it you can look into following things. - Make sure table has primary key. - If there is any field which is used more frequently for sear...
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What is differenc between mysql_connect and mysql_pconnect
ashish.gijare
- Feb 18th, 2009
When we use mysql_connect every time we have to make connection when every time page is loaded but when we use mysql_pconnect it does not have make connection every time.
manas ranjan dikhit
- May 31st, 2007
Mysql_connect? establish a new connection every time when it connect to database but mysql_pconnect first searches if there is pre-existing connection or not. if it found connection then it make use of that connection to databases.
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Crystal Reports through PHP code
How to access crystal reports through PHP code
amitverma
- Feb 9th, 2009
1. If you run PHP on Windows, call Crystal Reports as a COM object.2. Regardless of your OS, you should still be able to use Crystal Reports Web services and for this you may have to use NuSOAP to access and utilized these service.
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How do you know (status) whether the recipent of your mail had opened the mail i.e read the mail?
Vineet
- Sep 6th, 2007
If user's email client is blocking images by default(yahoo mail, gmail) then this method is not reliable.
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What is diff between srand & shuffle2-Mysql command to fetch onlythe unique values?3-how can a script come to a clear termination?4-How do i store binary in my sql?5-How do i limit the no of rows 1 get out of my database ?6- How do i find out weather a no is odd or even ?7-Can I coonect to Ms-access database w/o a DSN?8- How can we remove duplicate values from an array ?9-How an we get the ID genrated from the previous insert operation ?10-Can I run sevral versions of Php of the same time ?
amitverma
- Feb 6th, 2009
1> srand function seeds the random number generator with given seed. Function shuffle is used for shuffling the array values. This function generates new keys for the array elements.2> select distinct...
brijbhushansh
- Oct 14th, 2008
<?php$input = array ("a" => "green", "red", "b" => "green", "blue", "red");$result = array_unique ($input);print_r($result);?> This will output: Array( [a] => green [0] => red [1] => blue)
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How to access crystal reports through PHP code
i m creating reports through crystal reports using MySQL database.Now i want to access these reports through php code in web page.Can anyone help me or give me sample code, how to access reports in php like as we access Crystal reports in .NET through crystal report viewer.Or is there any other option to create reports in php in which i can create charts like pie chart, bar chart, etc........Pls provide...
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What might be PHP SOAP Error for this code?
Hello All, Fatal error: Uncaught SoapFault exception: [soap:Client] Not enough message parts were received for the operation. in C:Program FilesEasyPHP 2.0b1wwwexamplessoaptest4.php:5 Stack trace: #0 C:Program FilesEasyPHP 2.0b1wwwexamplessoaptest4.php(5): SoapClient->__call('checkStatus', Array) #1 {main} thrown in C:Program FilesEasyPHP 2.0b1wwwexamplessoaptest4.php on line 5Can any body solve this...
midday
- Nov 7th, 2008
Dear$wsdl = “http://demo.mchek.com/mChekPaymentGateway/services/mChekPaymentGateway?wsdl”; $id = “16577″; $cliente = new SoapClient($wsdl); $vem = $cliente->__call(’ch...
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File Upload
How to upload files using PHP?
Raghavaiah
- Nov 6th, 2008
<html> <body> <form action="upload_file.php" method="post" enctype="multipart/form-data"> <label for="file">Filename:</label> <...
dev_002
- Oct 14th, 2008
You can upload file via HTML form by connecting PHP file with it.codes on HTML side<form action="uploadmanager.html" enctype="multipart/form-data" method="post">Nam...
PHP Interview Questions
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