PHP Tools, FI, Construction Kit, and PHP/FI ; PHP as it's known today is actually the successor to a product named PHP/FI. Created in 1994 by Rasmus Lerdorf, the very first incarnation of PHP was a simple set of Common Gateway Interface (CGI) binaries written in the C programming language. Originally used for tracking visits to his online resume, he named the suite of scripts "Personal Home Page Tools," more frequently referenced as "PHP Tools." Over time, more functionality was desired, and Rasmus rewrote PHP Tools, producing a much larger ...
Notes to read before you download ; The English version should be considered the most accurate, since translations are based on that version. Most of the translations are not complete, and contain English parts. ; If you are looking for PHP 5 documentation, please read this explanation. ; If you are looking for PHP 4 documentation, please read this explanation.
foreach ; (PHP 4, PHP 5, PHP 7, PHP 8) The foreach construct provides an easy way to iterate over arrays. foreach works only on arrays and objects, and will issue an error when you try to use it on a variable with a different data type or an uninitialized variable. There are two syntaxes: The first form traverses the iterable given by iterable_expression. On each iteration, the value of the current element is assigned to $value. The second form will additionally assign the current element's key to the $key variable on each iteration. ...
Definition of PHP, and how it is used in WordPress. Learn the basic syntax of PHP and why you don't need any PHP skills to use and run WordPress sites.