wget http://stderr.net/apache/rpaf/download/mod_rpaf-0.6.tar.gz
tar -xvzf mod_rpaf-0.6.tar.gz
cd mod_rpaf-0.6
apxs -i -c -n mod_rpaf-2.0.so mod_rpaf-2.0.c

wget http://stderr.net/apache/rpaf/download/mod_rpaf-0.6.tar.gz tar -xvzf mod_rpaf-0.6.tar.gz cd mod_rpaf-0.6 apxs -i -c -n mod_rpaf-2.0.so mod_rpaf-2.0.c

<?php
$_cachetime = 3600;
$_cacheroot = '/path/to/cache/';
function cacheget($key) {
	global $_cachetime, $_cacheroot;
	$_cachename = sprintf('%x', crc32($key));
	$_cachefolder = $_cacheroot.substr($_cachename,0,2).'/';
	$_cachefile = $_cachefolder.$_cachename;
	if (file_exists($_cachefile) && (filemtime($_cachefile) > time() - $_cachetime || 
		(file_exists($_cachefile.'.lock') && time() - filemtime($_cachefile.'.lock') < 120))) {
		return unserialize(file_get_contents($_cachefile));
	}
	return false;
}
function cachelock($key) {
	global $_cacheroot;
	$_cachename = sprintf("%x", crc32($key));
	$_cachefolder = $_cacheroot.substr($_cachename,0,2).'/';
	$_cachefile = $_cachefolder.$_cachename;
	umask(0);
	if (!file_exists($_cachefolder)) {
		mkdir($_cachefolder,0777);
	}
	touch($_cachefile.'.lock');
}
function cacheset($key, $value) {
	global $_cacheroot;
	$_cachename = sprintf('%x', crc32($key));
	$_cachefolder = $_cacheroot.substr($_cachename,0,2).'/';
	$_cachefile = $_cachefolder.$_cachename;
	umask(0);
	if (!file_exists($_cachefolder)) {
		mkdir($_cachefolder,0777);
	}
	if ($_h = fopen($_cachefile, 'w')) {
		fwrite($_h, serialize($value));
		fclose($_h);
		unlink($_cachefile.'.lock');
	}
}
?>

<?php $_cachetime = 3600; $_cacheroot = '/path/to/cache/'; function cacheget($key) { global $_cachetime, $_cacheroot; $_cachename = sprintf('%x', crc32($key)); $_cachefolder = $_cacheroot.substr($_cachename,0,2).'/'; $_cachefile = $_cachefolder.$_cachename; if (file_exists($_cachefile) && (filemtime($_cachefile) > time() - $_cachetime || (file_exists($_cachefile.'.lock') && time() - filemtime($_cachefile.'.lock') < 120))) { return unserialize(file_get_contents($_cachefile)); } return false; } function cachelock($key) { global $_cacheroot; $_cachename = sprintf("%x", crc32($key)); $_cachefolder = $_cacheroot.substr($_cachename,0,2).'/'; $_cachefile = $_cachefolder.$_cachename; umask(0); if (!file_exists($_cachefolder)) { mkdir($_cachefolder,0777); } touch($_cachefile.'.lock'); } function cacheset($key, $value) { global $_cacheroot; $_cachename = sprintf('%x', crc32($key)); $_cachefolder = $_cacheroot.substr($_cachename,0,2).'/'; $_cachefile = $_cachefolder.$_cachename; umask(0); if (!file_exists($_cachefolder)) { mkdir($_cachefolder,0777); } if ($_h = fopen($_cachefile, 'w')) { fwrite($_h, serialize($value)); fclose($_h); unlink($_cachefile.'.lock'); } } ?>

<?php
$query = 'SELECT * FROM table';
$sql = mysql_query($query);
while ($row = mysql_fetch_assoc($sql)) {
        var_dump($row);
}
?>

<?php $query = 'SELECT * FROM table'; $sql = mysql_query($query); while ($row = mysql_fetch_assoc($sql)) { var_dump($row); } ?>

<?php
$query = 'SELECT * FROM table';
if (!$rows = cacheget($query)) {
        cachelock($query);
        $sql = mysql_query($query);
        $rows = array();
        while ($row = mysql_fetch_assoc($sql))
                $rows[] = $row;
        cacheset($query, $rows);
}
foreach($rows as $row) {
        var_dump($row);
}
?>

<?php $query = 'SELECT * FROM table'; if (!$rows = cacheget($query)) { cachelock($query); $sql = mysql_query($query); $rows = array(); while ($row = mysql_fetch_assoc($sql)) $rows[] = $row; cacheset($query, $rows); } foreach($rows as $row) { var_dump($row); } ?>