note 55921 added to function.memory-get-usage

If nothing else in the user notes below works for you, you can get a very (VERY) rough estimate of PHP memory usage by outputting the $GLOBALS array, stripping it of indentation whitespace, and counting the characters in the resulting string. This method has a very high overhead (to be expected), but works on all operating systems, regardless of whether or not they have the --enable-memory-limit config option set. I find that the syntax overhead of the print_r() statement roughly accounts for the PHP runtime base memory usage. The code below is set up to work on all arrays, not just the $GLOBALS array. Keep in mind that outside data referenced by resource IDs, such as database results and open file data, is not included in this total. <?php function array_size($arr) { ob_start(); print_r($arr); $mem = ob_get_contents(); ob_end_clean(); $mem = preg_replace("/\n +/", "", $mem); $mem = strlen($mem); return $mem; } $memEstimate = array_size($GLOBALS); ?> Use only if being off to either side by at least 20% is acceptible for your purposes. ---- Manual Page -- http://www.php.net/manual/en/function.memory-get-usage.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+55921 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+55921&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+55921&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+55921&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+55921&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+55921&report=yes&reason=non-english Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+55921&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+55921&report=yes Search -- http://master.php.net/manage/user-notes.php