This tutorial will teach you the basics of the PHP language -- looping, variables, forms, etc. It does not venture into functions, arrays, objects, or database/file manipulation.
A collection of 14 tips on PHP string literals, operations and conversaion. Clear explanations and tutorial exercises are provided on single-quoted strings, double-quoted strings, string elements, concatenation, converting values to strings, converting strings to values: What Are the Special Characters You Need to Escape in Quoted Stings?
Can You Specify the "new line" Character in Single-Quoted Strings?
How Many Escape Sequences Are Recognized in Quoted Strings?
How Many Escape Sequences Are Recognized in Double-Quoted Strings?
How To Include Variables in Double-Quoted Strings?
How Many Ways to Include Variables in Double-Quoted Strings?
How Many Ways to Include Array Elements in Double-Quoted Strings?
How To Access a Specific Character in a String?
How To Assigning a New Character in a String?
How To Concatenate Two Strings Together?
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A tutorial dedicated to PHP arrays and how to use them as queues, lists, sorters, etc. It uses easy to follow, executable examples to help you learn these intermediate array techniques.
PHP, the PHP Hypertext Processor, is an open source server-side scripting language for Web servers, which provides a real alternative to ASP, ColdFusion, Mod_Perl or JSP if your aim is to provide dynamic Web pages. Dynamic Web pages are pages which interact with the user, so that each user visiting the page sees customized information - which may vary each time and which may be based on a form they've just filled in, or on information extracted from a database or some other external source. Typical applications include e-commerce, online newspapers, visitors' books, ticketing systems, project management, and other groupware projects. The traditional way to produce this type of dynamic page is via CGI scripts, but these are separate programs which must be executed as a new process for each page hit, so they scale badly and rapidly become memory and processor hogs as server load increases...
This is a very simple tutorial that outlines the four main mathematical functions and how to use them. Clearly written with the ability to ask questions afterwards.
This tutorial will take you through both the IF and the IF-Else statement by comparing numbers, although relativly simple you can expand on them so that you can run checks on various things, such as passwords.