function_exists expects string with function name in it

diff --git a/includes/ProfilerSimple.php b/includes/ProfilerSimple.php
index adc8585..0f2b59a 100644 (file)
--- a/includes/ProfilerSimple.php
+++ b/includes/ProfilerSimple.php
@@ -86,7 +86,7 @@ class ProfilerSimple extends Profiler {
        }
 
        function getCpuTime($ru=null) {
-               if ( function_exists( getrusage() ) ) {
+               if ( function_exists( 'getrusage' ) ) {
                        if ( $ru == null )
                                $ru = getrusage();
                        return ($ru['ru_utime.tv_sec'] + $ru['ru_stime.tv_sec'] + ($ru['ru_utime.tv_usec'] +