Check memory_get_usage availability (bug #2957708)

git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1331 7c3ca157-0c34-0410-bff1-cbf682f78f5c

diff --git a/adminer/sql.inc.php b/adminer/sql.inc.php
index 6af08e5d748019e2bbe8f79f626d688bf37ce644..540a9f344833f087b48e637dde0b8c30432bd937 100644 (file)
--- a/adminer/sql.inc.php
+++ b/adminer/sql.inc.php
@@ -21,7 +21,9 @@ if (!$error && $_POST) {
                $query = get_file("sql_file", true);
        }
        if (is_string($query)) { // get_file() returns error as number, fread() as false
-               @ini_set("memory_limit", 2 * strlen($query) + memory_get_usage() + 8e6); // @ - may be disabled, 2 - substr and trim, 8e6 - other variables
+               if (function_exists('memory_get_usage')) {
+                       @ini_set("memory_limit", 2 * strlen($query) + memory_get_usage() + 8e6); // @ - may be disabled, 2 - substr and trim, 8e6 - other variables
+               }
                if ($query != "" && strlen($query) < 1e6 && (!$history || end($history) != $query)) { // don't add repeated and big queries
                        $history[] = $query;
                }