PHP Web Development Tutorials

PHP Web Development Tutorials and Articles
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Ill start by giving the code to the guest book then I will give a step by step on what each part does. <?php if(isset($_POST) && isset($_POST)) { if($_POST != "" && $_POST != "") { $F_D = getdate(); $FT = $F_D."/".$F_D."/".$F_D;
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With an ODBC connection, you can connect to any database, on any computer in your network, as long as an ODBC connection is available. Here is how to create an ODBC connection to a MS Access Database: 1.Open the Administrative Tools icon in your Control Panel. 2.Double-click...
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I like coding PHP, in Perl we can change an associative array to a list then to a string. In case if we wish to do the same in PHP, we need to write some user functions for that purpose. Here are two functions which will convert Array to String and vice-versa. //array to string ...
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This script is a simple file based counter. This is meant for sites that do not run a db and instead, use a file and a cookie. It isn't the best I've seen but it's simple. Consider this as a tutorial. Just create a file called counter.txt and put this where you want to display the...
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How to optimize your PHP installation to handle large file uploads. Though PHP presents a very versatile and user friendly interface for handling file uploads, the default installation is not geared for working with files in excess of 2 Mega Bytes. This article will help you...
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To display the data by splitting them in pages is very important if you have chances of more records to be displayed. function page_records() { global $page,$pagecount,$perpage; $arr = $_GET; if (is_array($arr)) { foreach($arr AS $_arrykey => $_arryval) {
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Well, I always had a problem identifying my MP3 files because of their vague filenames like, "Track 1.mp3" or "Bryan Adams 1.mp3", I was wondering whether I could rename the file depending upon the MP3 tags, so I came with up this script with reads MP3 tags and renames the file according to the...
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I never recommend using " (double quotes) when programming with PHP. Always use ' (single quotes) unless you need the features of " (double quotes). You might think it's much easier to write code as: echo "Today is the $day of $month"; However, using single quotes forces variables to be...
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The PHP Extension and Application Repository (PEAR) is an open source structured library of packages for PHP developers. These packages provide routines which solve problems PHP developers regularly face: sending structured e-mail (such as an HTML attachment), interacting with different databases...
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Manier times we require to create logs of various activities/errors in our web applications, so here we'll look into how to achieve that. Logging data to a file in PHP can be as simple or as complex as you want to make it. Break it down, though, and it all comes down to these three simple lines...
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PHP offers one alternative - a special Log class that comes courtesy of PEAR, the PHP Extension and Application Repository (http://pear.php.net). In case you didn't know, PEAR is an online repository of free PHP software, including classes and modules for everything from data archiving to XML...
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Title says it all but to reemphasize that below PHP code block validate an email address. Its always good to have a client side validation for faster user responses but backend check is also needed for user not having client side scripting on. <?php function emailsyntax_is_valid($email) { ...
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Many times we require to format a number to output with thousand place comma separator, here is a function will help you do so. function numcomma ($value) { if(strpos($value,".")) { $decimalval = substr($value,strpos($value,".")+1); $value =...
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Shell Sort function in PHP <? function shellsort($elements,$length) { $k=0; $gap=(int) ($length / 2); while($gap>1) { $k++;
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Here's a function which will format the passed bytes into KB,MB,GB...appropriately. function GetSize ($sizeb) { $sizekb = $sizeb / 1024; $sizemb = $sizekb / 1024; $sizegb = $sizemb / 1024; $sizetb = $sizegb / 1024; $sizepb = $sizetb / 1024; if ($sizeb > 1) {$size =...
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Introduction Suppose you want to know the age of a person given her birth date. Letís say her birth date is "09-23-1969". Although in this case you might say that we donít need a program to compute the age, but assuming there are 1000s of records in your database and for every person you have to...
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Many times its required that we truncate a long string and add ellipsis to the end of the truncated string. Here's a function which does exactly that. function truncate( $varb, $num ) { $dnum = intval($num); if (strlen($varb)>$dnum) { $nvarb = substr($varb, 0,...
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Smarty is a templating engine for PHP, it's one of the most popular templating engine used by PHP developers. Using a templating engine helps businesses separate presentation logic & application logic. Templating, you can say is a way to separate the business logic from the presentation...
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This class is a wrapper for array's that allows you to use oop to create and manage an array Background This class is inspired by Java and C#'s array class. The Code If you'd like to use oop to manage an array this class is meant to provide a data type of sorts for that effort.
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The following conditional statements are used in PHP. if statement if ….else statement if….elseif…else statement switch statement 1. if statement The statement is executed only if the condition is true.
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