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Learn PHP. 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.
The W3Schools online code editor allows you to edit code and view the result in your browser
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.
However, the next pages will show how to process PHP forms with security in mind! Proper validation of form data is important to protect your form from hackers and spammers!
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.
With PHP, you can connect to and manipulate databases. MySQL is the most popular database system used with PHP.
PHP 5 and later can work with a MySQL database using: MySQLi extension (the "i" stands for improved) PDO (PHP Data Objects) Earlier versions of PHP used the MySQL extension. However, this extension was deprecated in 2012.
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.
Get certified by completing the PYTHON course. 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.