Add checks to improve running time on linux

src/lists/bionic-php5.4-extensions

@@ -0,0 +1,72 @@
+[PHP Modules]
+apc
+apcu
+bcmath
+bz2
+calendar
+Core
+ctype
+curl
+date
+dba
+dom
+ereg
+exif
+fileinfo
+filter
+ftp
+gd
+gettext
+hash
+iconv
+imagick
+intl
+json
+libxml
+mbstring
+mcrypt
+memcached
+mhash
+mysql
+mysqli
+openssl
+pcntl
+pcov
+pcre
+PDO
+pdo_mysql
+pdo_pgsql
+pdo_sqlite
+pgsql
+Phar
+posix
+redis
+Reflection
+session
+shmop
+SimpleXML
+soap
+sockets
+SPL
+sqlite3
+standard
+sysvmsg
+sysvsem
+sysvshm
+tokenizer
+wddx
+xdebug
+xml
+xmlreader
+xmlwriter
+Zend OPcache
+zip
+zlib
+phalcon3
+phalcon4
+blackfire
+
+[Zend Modules]
+Xdebug
+Zend OPcache
+