文件:/source/function/function_cache.php
function writetocache($script, $cachedata, $prefix = 'cache_') { global $_G; $dir = DISCUZ_ROOT.'./data/sysdata/'; if(!is_dir($dir)) { dmkdir($dir, 0777); } if($fp = @fopen("$dir$prefix$script.php", 'wb')) { fwrite($fp, "<?php\n//Discuz! cache file, DO NOT modify me!\n//Identify: ".md5($prefix.$script.'.php'.$cachedata.$_G['config']['security']['authkey'])."\n\n$cachedata?>"); fclose($fp); } else { exit('Can not write to cache files, please check directory ./data/ and ./data/sysdata/ .'); } }
写入示范:
$contents['username']="test";
$contents['uid']=123;
$dateline=TIMESTAMP;
$cacheArray = "\$contents=".arrayeval($contents).";\n";
$cacheArray .= "\$dateline=$dateline;\n";
writetocache('mycache_contents', $cacheArray);
读取示范:
include_once DISCUZ_ROOT.'./data/sysdata/cache_mycache_contents'.php';
//接下来用缓存数据操作
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