http://www.php-bloggersplace.org PHP Blog | Learn PHP Tricks Mon, 30 Jun 2008 11:09:09 +0000 http://backend.userland.com/rss092 en If you are willing to modify your gasoline engine so that it can run on water, you simply need a few additional arrangements so that water gets electrolyzed in an outer chamber and through the connecting arrangements the gases produced from it are passed to the combustion chamber. Water dissociates ... http://www.php-bloggersplace.org/2008/06/30/improve-performance/ Introduction Ajax is an acronym for Asynchronous Javascript and XML. It is basically a cross-platform mechanism which allows you to make fast, rich and responsive web pages. Using AJAX a coder can avoid reloading the web page when a part of it is changing because of the user interaction. So ... http://www.php-bloggersplace.org/2007/12/08/php-and-ajax-an-introduction/ Introduction These functions are basic tools used in many self-defined functions. PHP date and time functions are pretty straightforward to use if you understand the UNIX timestamp. They fall into three categories: returns the date or time, formats date or time, and validates date. UNIX timestamp measures time as a number ... http://www.php-bloggersplace.org/2007/12/04/php-date-and-time-functions-and-time-zones/ Introduction Scope is a technical term for the rules stating when a name (for a variable or function or any object) has the same meaning in two different places and when they mean differently. Variable Scope Any PHP variable that is not inside a function has global scope and extends throughout a ... http://www.php-bloggersplace.org/2007/12/04/functions-and-variables-scope-in-php/ Introduction Output buffering is a comparatively newer concept in PHP. PHP provides some functions which allows a coder to buffer the output from a script and manipulate it in some useful way before sending it to the browser. It solves other problems too, like if you try to set a cookie, ... http://www.php-bloggersplace.org/2007/12/04/output-buffering/ Introduction Web services are Internet endpoints available most commonly through HTTP and HTTPS. The job of a web service is to consume HTTP requests. The messages have a specific schema applied to them, which in effect may be thought of as a transportable type system. Web services are also responsible for ... http://www.php-bloggersplace.org/2007/11/25/rest-xml-rpc-soap/ Introduction SimpleXML API is new in PHP 5. It is basically an XML parser i.e. if you know an XML document’s layout, you can access the elements, attributes and the text data using SimpleXML parser’s in-built functionalities. PHP XML Parsers There are two types of XML Parsers. The Tree-based Parser: ... http://www.php-bloggersplace.org/2007/11/15/the-simplexml-api/ Introduction Loop structures are used to execute one or more lines of code repetitively. The following loop constructs are supported by PHP. The while loop The do....while loop The for loop The while Loop The while loop construct is used to execute a block of statements for a definite number of times, depending on a condition. ... http://www.php-bloggersplace.org/2007/11/10/using-loop-constructs-in-php/ Introduction Register_globals is a PHP directive. It’s value could be set on or off in PHP.ini file. When a user submits some variables to a PHP script for example, by posting a form, data from cookies or URL-encoded data etc., these variables are considered as global variables if the ‘register_globals’ directive ... http://www.php-bloggersplace.org/2007/11/06/register-global-variables/ The rand() function is used to generate a random number in PHP. It can also be used to generate a random number within a specific range (for example a number between 10 and 30.) On some platforms, Windows for example, if unspecified the largest number that will be generated is ... http://www.php-bloggersplace.org/2007/10/27/rand-php-function/