It seems as you did not add the new path to your
Citing the FAQ of the website that you have posted:
Why does php -v on the command line still show my old version?
php-osx doesn't overwrite the php binaries installed by Apple, but installs everyting in /usr/local/php5. The new php binary is therefore in /usr/local/php5/bin/php.
You can also adjust your PATH do include that directory, eg. write into your ~/.profile file the following
So open you .profile or .bash_profile in a editor like nano or vim and add the last line
export PATH=/usr/local/php5/bin:$PATH to the appropiate file.
Source your file with
source ~/.bash_profile or
source ~/.profile or close and reopen your terminal.