This is what i got when I ran your command

php -i | grep php.ini
PHP Notice: Constant FFMPEG_PHP_VERSION_STRING already defined in Unknown on line 0
PHP Notice: Constant LIBAVCODEC_VERSION_NUMBER already defined in Unknown on line 0
PHP Notice: Constant LIBAVCODEC_BUILD_NUMBER already defined in Unknown on line 0
<tr><td class="e">Configuration File (php.ini) Path </td><td class="v">/usr/local/Zend/etc/php.ini </td></tr>