Facts for developer

In PHP,  foreach  statement is used to iterate over a collection of data, like  PHP arrays . As per the name of this construct, it will keep on continue with the loop to traverse given input array for each of its element, without any condition. We have slightly touched about how this is working in PHP while seeing about  PHP loops . In this article, let us see about  foreach  statement with more details. Unlike other PHP loop statements,  while ,  do..while  and  for , this PHP loop statement  foreach  contains no counters, conditions and no need of increments or decrements, explicitly. Rather, it will iterate with each element and will be useful, where all the elements of the array to be traversed unconditionally. foreach  Usage in PHP Script We can use  foreach  statement in a PHP program with two various syntaxes differed based on the iteration behavior for getting array elements in the following t...

Have you ever heard about Array.A n Array is a   PHP datatype  used to store a group of data into a variable. Each array item is stored as a key and value pair. Arrays are classified as “indexed array” and “associative array” based on the key specification. The Indexed array has default index starts with ‘0’ and the associative array contains the user-defined key index. The array can also be classified as “one-dimensional array” and “multi-dimensional array” based on the level of the array index. In this tutorial, we are going to see some of the important array functions in PHP. PHP Array Functions In this section, we are going to see some of the widely used PHP array functions. I explain the purpose of the array functions, the parameter it requires and the default values of the parameter. This section includes small and simple PHP code snippets to explain the usage of each array function.  range(start, end) PHP  range()  fu...

After installing xampp  you are ready to start with php. This is our first blog through which you can learn php.  So let me start with the Hello World program in PHP. Following script displays the sentence “Hello, World!” in the browser. It is a simple and straight forward code. There are two basic ways of doing this hello world print and they are using ‘echo’ or ‘print’.  The difference between using ‘echo’ and ‘print’ is, the echo statement just prints the arguments passed to it and does not return any value. But the ‘print’ statement prints the argument as well as returns a value of 1. Since it returns a value, ‘print’ statement can be used in expressions. the echo statement can take multiple parameters and print statement takes only one parameter. Example Hello World Code using Echo <? php echo "Hello, World!" ; ?> Example Hello World Code using Print <? php print "Hello, World!" ; ?> In this context of printing ‘Hello, ...

If you guys are watching this page its sure you want to check more about PHP.PHP language has a unique place in website development. It was introduced at a right time when web-based business was in new trend. Over a period it became one of the popular languages for creating web applications. The reasons are, simple language structure unique features  free license. PHP’s  unique features  lead to more popularity. Since 1994 when PHP development was started, we have seen the following version releases. PHP Versions Versions Key Features Description PHP/FI (1995) Form handling Perl/CGI script (PHP 1.0) introduced by  Rasmus Lerdorf . The Expansion is  Personal Home Page / Form Interpreter . PHP/FI2 (1997) Data conversion Form data export With slight modifications in Form Interpreter(PHP 2.0) to handle form entries. PHP  3 – (1998) PHP core is rewritten PHP parser is rewritten. Zend Engine is incorporated. Language core wa...

Have you ever heard about phpinfo(). Yes, this function is used to know about configuration details of PHP installed in our machine. Such detailed information returned by this phpinfo() includes platform information, PHP and server environment, HTTP header information, PHP core details like version and directives status, License information and etc. phpinfo() function has an optional argument. If this function is called with no argument, then will display all information. We can check it by executing the following code. <? php phpinfo (); ?> We can also request specific details to be displayed to the browser by passing available constants to this function. Following list shows such available options. INFO_GENERAL – This will return information about the platform, compiler, architecture, API and etc. INFO_CREDITS – This option provides a hyperlink which shows details about authors, documentation, QA and infrastructure team. INFO_CONFIGURATION – Disp...