Merge branch 'stable-php5.3' into namespace-php5.3
Fixed a typo ($x -> $ex)

There is a typo at line 7
Merge branch 'duzun-patch-1' into namespace-php5.3

Merge in duzun's fix
Merge branch 'namespace-php5.3' into stable-php5.3

Merge in duzun's fix