This is a suggestion of compilation directive to use when compiling PHP specifically for the audited code.
The selection made below is based on the extension usage, found in the code (--enable, --with) and also the absence of usage (--disable, --without).
Some local extensions (--pdo-mysql, --with-libmbfl...) are also mentionned for help.
# install one extra extension
#pecl install memcached (https://pecl.php.net/package/memcached)
;;;;;;;;;;;;;;;;;;;;;;;;
; PHP configure list ;
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./configure
--with-curl=DIR
--disable-dom
--disable-fileinfo
--disable-hash
--disable-libxml
--enable-memcache
--disable-memcache-session
--disable-pdo
--without-pear
--enable-simplexml
--without-sqlite3
--disable-tokenizer
--disable-xmlreader
--with-xmlrpc[=DIR]
; For debug purposes
;--enable-dtrace
;--disable-phpdbg
;--enable-zend-signals
;--disable-opcache