apc_stat.php

<?php
header('Content-Type: application/json');
if(!$cache_info = @apc_cache_info()) {
die("No cache info available.");
}
$sma_info = apc_sma_info();
$mem_used = $sma_info['seg_size'] - $sma_info['avail_mem'];
$num_hits = array_key_exists('num_hits', $cache_info) ? $cache_info['num_hits'] : $cache_info['nhits'];
$num_misses = array_key_exists('num_misses', $cache_info) ? $cache_info['num_misses'] : $cache_info['nmisses'];
echo '{'."\n";
echo '  "mem": {'."\n";
//echo '   "size:'.$sma_info['seg_size'].",\n";
echo '    "free": '.($sma_info['seg_size']-$mem_used).",\n";
echo '    "used": '.$mem_used."\n";
echo '  },'."\n";
echo '  "num": {'."\n";
echo '    "hits": '.$num_hits.",\n";
echo '    "misses": '.$num_misses."\n";
echo '  },'."\n";
echo '  "files": {'."\n";
echo '    "cached": '.count($cache_info['cache_list']).",\n";
echo '    "deleted": '.count($cache_info['deleted_list'])."\n";
echo '  }'."\n";
echo '}'."\n";
?>