Long description

Step 1: Get index dot p h p

Step 2: Is the cached index dot p h p recent enough question mark

Step 3: If step 2 Yes, then retrieve markup for index dot p h p from disk cache.

Step 4: Markup is sent back to requesting browser of step 1.

Step 5: If step 2 No, then execute index dot p h p.

Step 6: Generates markup.

Step 7: Save markup for index dot p h p to disk cache.

Step 8: Markup is sent back to requesting browser of step 1.