mod_rewrite Available Languages: en | fr Summary This module uses a rule-based rewriting engine (based on a regular-expression parser) to rewrite requested URLs on the fly. It supports an unlimited number of rules and an unlimited number of attached rule conditions for each rule, to provide a really flexible and powerful URL manipulation mechanism. The URL manipulations can depend on various tests, of server variables, environment variables, HTTP headers, or time stamps. Even external database lookups in various formats can be used to achieve highly granular URL matching.
We've figured out what mod_rewrite variables look like so we can create rewrite rules and condition patterns based on the actual value. This cheatsheet is where we'll lay them all out for quick reference. This cheatsheet changed my life. Here the focus is on identifying mod_rewrite variables and defining the limits of the module by checking the mod_rewrite source code. Mod_Rewrite Variables Cheatsheet
Htaccess Rewrites are enabled by using the Apache module mod_rewrite, which is one of the most powerful Apache modules and features availale. Htaccess Rewrites through mod_rewrite provide the special ability to Rewrite requests internally as well as Redirect request externally. When the url in your browser's location bar stays the same for a request it is an internal rewrite, when the url changes an external redirection is taking place.
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Aug 18 2009 Mod_rewrite is an Apache-based rewrite engine for dynamically rewriting URLs. It’s built into Apache servers natively, though not enabled by default. It’s capable of functions beyond simple rewrites, though, some of which are included below. Turn Mod_Rewrite On 10+ Mod_Rewrite Rules You Should Know