PHP provides the following functions.
Using these functions, you can get your own PHP template engine in 10 lines. The following is an example.
Smarty Template Engine is the most popular and widely used template engine for PHP. It is believed that Smarty is fast because it compiles templates into PHP code, but it is not true.
I have tried a simple benchmark program to measure speed of Smarty and PHP include() function. The result shows that PHP include() function is more than three times faster than Smarty.
Why Smarty is so slow? Because the PHP code compiled by Smarty is not efficient. The following example shows Smarty template code and compiled PHP code.
pyTenjin 0.6.1 has been released.
pyTenjin is a fast and full-featured template engine based on embedded Python. You can embed any Python statements and expressions in your text file. pyTenjin converts it to Python program and evaluate it with context data.
From Making Rails Better - ActionView Needs a Makeover:
the internals of ActionView are ugly.
I think so very strongly. View-layer of Ruby on Rails depends on ERB tightly. Rails provides API for other template engine, but it is too poor to make other template engine to be the same position in Rails as ERB.
eRuby is a specification to embed Ruby code (expression or statement) in any text file. There are thee implementation of eRuby:
Using pattern matching, it is easy to implement eRuby. The following is a complete eRuby implementation (named TinyEruby) which contains only 30 lines.