#!/bin/sh -e

max=1440

if which php5 >/dev/null 2>&1; then
    for sapi in apache2 apache2filter cgi fpm; do
	if [ -e /etc/php5/${sapi}/php.ini ]; then
	    cur=$(php5 -c /etc/php5/${sapi}/php.ini -d "error_reporting='~E_ALL'" -r 'print ini_get("session.gc_maxlifetime");')
	    [ -z "$cur" ] && cur=0
	    [ "$cur" -gt "$max" ] && max=$cur
	fi
    done
else
    for ini in /etc/php5/*/php.ini /etc/php5/conf.d/*.ini; do
        cur=$(sed -n -e 's/^[[:space:]]*session.gc_maxlifetime[[:space:]]*=[[:space:]]*\([0-9]\+\).*$/\1/p' $ini 2>/dev/null || true);
        [ -z "$cur" ] && cur=0
        [ "$cur" -gt "$max" ] && max=$cur
    done
fi

echo $(($max/60))

exit 0