Add snippet 'get-path-of-php-command.sh' and change concerning code..

convert_filecache_bigint.sh

@@ -306,13 +306,11 @@ source ${snippet_dir}/get-webservice-environment.sh
 #
 source ${snippet_dir}/get-php-major-version.sh
 
-if [[ -x "/usr/local/php-${PHP_VERSION}/bin/php" ]] ; then
-   PHP_BIN="/usr/local/php-${PHP_VERSION}/bin/php"
-elif [[ -x "$(realpath /usr/local/php/bin/php)" ]]; then
-   PHP_BIN="/usr/local/php/bin/php"
-else
-   PHP_BIN="$(which php)"
-fi
+
+# Get full qualified PHP command
+#
+source ${snippet_dir}/get-path-of-php-command.sh
+
 
 if [[ ! -x "$PHP_BIN" ]]; then
    fatal "No PHP binary found!"