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PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now ».
What's new in PHP 7. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
PHP Strings. Get the length of a string - strlen () Count the number of words in a string - str_word_count () Reverse a string - strrev () Search for a specific text within a string - strpos () Replace text within a string - str_replace () Strings explained.
GET vs. POST. Both GET and POST create an array (e.g. array ( key1 => value1, key2 => value2, key3 => value3, ...)). This array holds key/value pairs, where keys are the names of the form controls and values are the input data from the user. Both GET and POST are treated as $_GET and $_POST.
PHP Built-in Functions. PHP has over 1000 built-in functions that can be called directly, from within a script, to perform a specific task. Please check out our PHP reference for a complete overview of the PHP built-in functions.
W3Schools Tryit Editor. Run . Get your own PHP server Result Size: 497 x 414.
PHP Compiler (Editor) With our online PHP compiler, you can edit PHP code, and view the result in your browser.
PHP Array Types. In PHP, there are three types of arrays: Indexed arrays - Arrays with a numeric index. Associative arrays - Arrays with named keys. Multidimensional arrays - Arrays containing one or more arrays.
With PHP, you can connect to and manipulate databases. MySQL is the most popular database system used with PHP.
We can create multiple objects from a class. Each object has all the properties and methods defined in the class, but they will have different property values. Objects of a class are created using the new keyword. In the example below, $apple and $banana are instances of the class Fruit: