GitHub - sfai05/cheeztest: Adding some LOLs to your server-side WordPress A/B testing. Plays nice with Batcache.

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Adding some LOLs to your server-side WordPress A/B testing. Plays nice with Batcache.

MIT license

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LICENSE.txt		LICENSE.txt
cheeztest-examples.php		cheeztest-examples.php
cheeztest.php		cheeztest.php
readme.txt		readme.txt

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Create new Batcache-compatible server-side A/B tests

A joint LOL by the fine folks I Can Has Cheezburger (http://www.cheezburger.com) and Automattic (http://automattic.com)

Main class from which all A/B tests are inherited. Enables fast setup
of A/B tests - upon initialization, the basic order of execution is:
set test name > check if user is qualified to participate > check
if user has been assigned a segment, and assign if not > assign user
to group > execute 'action' callback if present.

User's qualification, segment, and group tests are done in batcache
so as to ensure correct cache variants are served.

User's segment is assigned server-side via magic. Mutliple test
segments are assigned at once - so if a user is qualified to participate
in more than one test, all segments are assigned at the same time. When
segments need to be set, a small javascript is injected into the <head>
via a call to CheezTest::write_segment_cookie(). This javascript
sets a cookie to retain the segment assigned earlier.

Test case data (name, is_qualified, & group) are stored in the $active_tests
static hash and made accessible via the 'is_qualified_for', 'get_group_for', and
'is_in_group' static methods. This enables theme branching via:

if ( CheezTest::is_qualified_for( 'my-example-test' ) {
    //test-specific stuff goes here
}

- or -

if ( CheezTest::is_in_group( 'my-example-group' ) ) {
   //group-specific stuff goes here
}