foo bar
In many PHP examples i found variables usualy carry two names foo , bar
So i searched and discovered that :
It is a metasyntactic variables ; varibles which helpful in freeing a programmer from creating a logically named variable .
Some of metasyntactic variables :
foo, bar, baz, qux, quux, corge, grault, garply, waldo, fred, plugh, xyzzy, thud, mos, henk, def
Tags: bar, foo, metasyntactic
