4everTutorials

Friday, December 28, 2012

New year Count Down in PHP

Happy New Year 2013 simple Count Down script in php<?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ $day = 1; $month = 1; $year = 2013; //change for next year $end = mktime(0,0,0,$month,$day,$year); $today= mktime(date("G"),date("i"), date("s"),date("m"),date("d"),date("Y")); $days=($end-$today)/86400; if ($days>0) { $r1 = explode('.',$days); $hours=24*($days-$r1[0]); $r2 =...

By: 4evertutorials On 12/28/2012

Monday, December 24, 2012

Website page rank php

Get the page rank of any website supported by Alexa with this simple function. <?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ function page_rank($page, $type = 'alexa'){ switch($type){ case 'alexa': $url = 'http://alexa.com/siteinfo/'; $handle = fopen($url.$page, 'r'); break; case 'google': $url = 'http://google.com/search?client=navclient-auto&ch=6-1484155081&features=Rank&q=info:'; $handle = fopen($url.'http://'.$page,...

By: 4evertutorials On 12/24/2012

Thursday, December 6, 2012

Preventing SQL Injections and Cross-Site Scripting

To secure your site from SQL Injections and Cross-Site Scripting you must validate every user input field. And don't forget about url adress, you must verify $_GET data, too. There is a simple way to do this, without checking every user input. You can do all with this function:<?php...

By: 4evertutorials On 12/06/2012

Wednesday, November 28, 2012

Disable Browser Cache using PHP

This is a simple function which sends combination of headers that completely disable any browser caching.<?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ function disable_browser_cache() { header("Expires: Tue, 03 Jul 2001 06:00:00 GMT"); header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); header("Cache-Control: no-store,...

By: 4evertutorials On 11/28/2012

Download files from Amazon

Amazon S3 (Simple Storage Service) is a commercial storage web service offered by Amazon Web Services. It is inexpensive, scalable, responsive, and highly reliable. It has no minimum fee, and no start-up cost.This code uses standard PHP sockets to send REST (HTTP 1.1) queries to Amazon S3 server. It...

By: 4evertutorials On 11/28/2012

Thursday, November 15, 2012

Easy to use and reliable mail function php

How to send email with PHP. Although PHP has built in function mail() to send email, it's quite insecure and use nonobvious arguments. In below example function Send_mail can send mail when called with just four arguments: from, to, subject, text. To avoid email injection (using malformed parameters to...

By: 4evertutorials On 11/15/2012

Wednesday, November 14, 2012

Detect user's browser with PHP

You can use this value with get_browser() to tailor your page's output to the capabilities of the user agent. By php.net, get_browser attempts to determine the capabilities of the user's browser, by looking up the browser's information in the browscap.ini file. Note: In order for this to work, your...

By: 4evertutorials On 11/14/2012

Monday, November 5, 2012

Set limitation for download rate

This snippet allows you set a limitation for download rate of the file that visitors download from your site.<?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ /* set here a limit of downloading rate (e.g. 10.20 Kb/s) */ $download_rate = 10.20; $download_file = 'download-file.zip'; $target_file =...

By: 4evertutorials On 11/05/2012

Generate passwords automatically php

Sometimes you need to generate passwords for customers automatically when a new account is created. This code allows you choose the desired length and strength for the password and it is very flexible.<?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ function GeneratePassword($length=8, $strength=0){ $vowels = 'aeuy';...

By: 4evertutorials On 11/05/2012

Wednesday, October 24, 2012

Retrieve Remote file size with cURL PHP

Here's the best way (that I've found) to get the size of a remote file. Note that HEAD requests don't get the actual body of the request, they just retrieve the headers. So making a HEAD request to a resource that is 100MB will take the same amount of...

By: 4evertutorials On 10/24/2012

Saturday, October 20, 2012

Force file download in PHP

PHP allows you to change the HTTP headers of files, so that you can force a file to be downloaded that normally the browser would load in the same window. This is perfect for files like PDFs, document files, images, and video that you want your visitors to download...

By: 4evertutorials On 10/20/2012

Friday, October 19, 2012

Block Multiple ip addresses in PHP

Sometimes you need to disallow a visitor to access your website. The most common reason for this is Spammers. Although there are several other solutions to block multiple IP addresses, but in this post we are going to focus on simple php script.<?php /* Online PHP Examples with Source...

By: 4evertutorials On 10/19/2012

Thursday, October 18, 2012

Get URL in PHP

Below is a simple php function that return current page url<?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ function currentURL() { $pageURL = 'http'; if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";} $pageURL .= "://"; if ($_SERVER["SERVER_PORT"] != "80") { $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"]; } else { $pageURL...

By: 4evertutorials On 10/18/2012

Date and Time Format like Facebook in PHP

This simple PHP example will return a date and time format like facebook, generated from a mysql datetime field. Input Format: date('Y-m-d H:i:s')<?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ function getDateTime($datetime) { $datetime=strtotime($datetime); $yesterday=strtotime(date('Y-m-d', mktime(0,0,0, date("m") , date("d") - 1, date("Y")))); $tomorrow=strtotime(date('Y-m-d', mktime(0,0,0, date("m") ,...

By: 4evertutorials On 10/18/2012

Mysql Database Connection in PHP

This is a simple example of how you could create a database connection from PHP to MySQL. It is good to save the MySQL Database Connection in a seperate php file in a secure part of the website. Then the file can be referenced in any page that requires...

By: 4evertutorials On 10/18/2012

Saturday, October 13, 2012

Validate Credit Card Number Using PHP

This piece of code will check if a creditcard number could possibly be valid, determined on the number ranges given. It will NOT actually validate the number with the creditcard company but it could function as a pre-check.<?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ function...

By: 4evertutorials On 10/13/2012

Friday, October 5, 2012

Switch between multiple CSS styles sheets with PHP

A lot of webmasters like this nice looking CSS websites with the possibility to switch between different CSS style sheets. This code snippet will help to create the switch. Just create you different style sheets and your universal coded html documents (these one have to work with all the...

By: 4evertutorials On 10/05/2012

Custom Error Page with .htaccess PHP

Create your own custom error page This custom error page shows some standard error information and reports the error to the webmaster by e-mail. The script works for dead links and will report expired hot links from other sites (the IP address). Just add bad URL's and IP addresses...

By: 4evertutorials On 10/05/2012

Thursday, September 20, 2012

Make clickable text to links: PHP

With this function you can make clickable text to links. Function: <?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ function dolinks($text) { $text = html_entity_decode($text); $text = " ".$text; $text = eregi_replace('(((f|ht){1}tp://)[-a-zA-Z0-9@:%_\+.~#?&//=]+)', '\\1', $text); $text = eregi_replace('(((f|ht){1}tps://)[-a-zA-Z0-9@:%_\+.~#?&//=]+)', '\\1', $text); $text = eregi_replace('([[:space:]()[{}])(www.[-a-zA-Z0-9@:%_\+.~#?&//=]+)', '\\1\\2', $text); $text = eregi_replace('([_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,3})',...

By: 4evertutorials On 9/20/2012

Wednesday, September 19, 2012

RSS Reader Class in PHP

What is RSS? RSS stands for Really Simple Syndication or Rich Site Summary. RSS is used by (among other things) news websites, weblogs and podcasting. RSS feeds provide web content, or summaries of web content, together with links to the full versions of the content. RSS delivers this information...

By: 4evertutorials On 9/19/2012

Thursday, September 6, 2012

Send a magic packet over the Internet with PHP

PHP function to send a magic packet over the Internet<?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ flush(); function WakeOnLan($addr, $mac,$socket_number) { $addr_byte = explode(':', $mac); $hw_addr = ''; for ($a=0; $a <6; $a++) $hw_addr .= chr(hexdec($addr_byte[$a])); $msg = chr(255).chr(255).chr(255).chr(255).chr(255).chr(255); for ($a = 1; $a <=...

By: 4evertutorials On 9/06/2012

Composition of Variables

Amazing trick by PHPYou can use composition of variables. I don’t how it can be useful, but the following code is valid:<?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ ${‘a’ . ‘b’} = ‘c’; echo $ab; // it will output c ?> ...

By: 4evertutorials On 9/06/2012

Recursive Directory Delete Function

Recursive Directory Delete Function <?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ define('PATH', '/www/public/images/'); function destroy($dir) { $mydir = opendir($dir); while(false !== ($file = readdir($mydir))) { if($file != "." && $file != "..") { chmod($dir.$file, 0777); if(is_dir($dir.$file)) { chdir('.'); destroy($dir.$file.'/'); rmdir($dir.$file) or DIE("couldn't delete $dir$file ");...

By: 4evertutorials On 9/06/2012

Thursday, August 30, 2012

How to hide PHP Notice and Warning Messages

How to hide PHP Notice & Warning Messages ? <?php /* Online PHP Examples with Source Code website: http://4evertutorials.blogspot.in/ */ // Turn off all error reporting error_reporting(0); // Report simple running errors error_reporting(E_ERROR | E_WARNING | E_PARSE); // Reporting E_NOTICE can be good too (to report uninitialized // variables...