php_flag zlib.output_compression on

[rafaballack]

php_flag zlib.output_compression on

has an error 500

[JuanjoR]

move php_flag zlib.output_compression on After php_flag zend.ze1_compatibility_mode Off

<IfModule mod_php5.c>
    php_value memory_limit 512M 
    php_value max_execution_time 18000 
    php_flag magic_quotes_gpc off 
    php_flag session.auto_start off 
    php_flag suhosin.session.cryptua off 
    php_flag zend.ze1_compatibility_mode Off
    php_flag zlib.output_compression on
</IfModule>