xcache-info

<?php
/**
 * PHP XCache info for a server monitor
 */

$type   = !empty($_REQUEST['type']) ? constant($_REQUEST['type']) : XC_TYPE_PHP;
$attrib = !empty($_REQUEST['attrib']) ? $_REQUEST['attrib'] : null;
$output = null;

for ($id = 0; $id < xcache_count($type); $id++) {
    $info = xcache_info($type, $id);

    if (empty($attrib) || !isset($info[$attrib])) {
        throw new \InvalidArgumentException('Expected valid info attrib');
    }

    // join value
    switch ($attrib) {
        case 'size':
        case 'avail':
            $output+= $info[$attrib];
            break;
        case 'hits_by_second':
            $output+= round(array_sum($info[$attrib]) / count($info[$attrib]), 2);
            break;
    }
}

// format value
switch ($attrib) {
    case 'size':
    case 'avail':
        $callback = function ($output) {
            return round($output / 1024 / 1024, 2);
        };
        break;

    default:
        $callback = function ($output) {
            return $output;
        };
}

// view
echo $callback($output);