Welcome to CodeIgniter4

CodeIgniter is an Application Development Framework - a toolkit - forpeople who build web sites using PHP. Its goal is to enable you todevelop projects much faster than you could if you were writing codefrom scratch, by providing a rich set of libraries for commonly neededtasks, as well as a simple interface and logical structure to accessthese libraries. CodeIgniter lets you creatively focus on your projectby minimizing the amount of code needed for a given task.

Where possible, CodeIgniter has been kept as flexible as possible,allowing you to work in the way you want, not being forced into workingany certain way. The framework can have core parts easily extendedor completely replaced to make the system work the way you need it to.In short, CodeIgniter is the malleable framework that tries to providethe tools you need while staying out of the way.

Who is CodeIgniter For?

CodeIgniter is right for you if:

  • You want a framework with a small footprint.
  • You need exceptional performance.
  • You want a framework that requires nearly zero configuration.
  • You want a framework that does not require you to use the commandline.
  • You want a framework that does not require you to adhere torestrictive coding rules.
  • You are not interested in large-scale monolithic libraries like PEAR.
  • You do not want to be forced to learn a templating language (althougha template parser is optionally available if you desire one).
  • You eschew complexity, favoring simple solutions.
  • You need clear, thorough documentation.